Paclitaxel and Bevacizumab With or Without Emactuzumab in Treating Patients With Platinum-Resistant Ovarian, Fallopian Tube, or Primary Peritoneal Cancer

Inclusion Criteria: * Signed informed consent obtained prior to initiation of any study-specific procedures and treatment as confirmation of the patient's awareness and willingness to comply with the study requirements (inclusive of 2 biopsies, one at baseline and if they qualify, one pre-randomization for part 2B) * Women 18 years of age or older * Histologically confirmed and documented disease to include: adenocarcinoma NOS (not otherwise specified), clear cell adenocarcinoma, endometrioid adenocarcinoma, malignant Brenner's tumor, mixed epithelial carcinoma, mucinous adenocarcinoma, serous adenocarcinoma, transitional cell carcinoma, and undifferentiated carcinoma * Patients must have platinum-resistant disease, (defined as progression within \< 6 months from completion of a minimum of 4 platinum therapy cycles (+ 7 days); the date should be calculated from the last administered dose of platinum therapy) * Patients must have disease that is measurable according to RECIST 1.1 or assessable according to the GCIG CA-125 criteria and require chemotherapy treatment; part 1: patients must have one or more measurable target lesion; part 2: patients must have two or more measurable target lesions; measurable disease is defined at least one lesion that can be accurately measured in at least one dimension (longest dimension to be recorded); each 'target' lesion must be \>= 20 mm when measured by conventional techniques, including palpation, plain x-ray, computed tomography (CT), a…