Perhaps you should try some spelling variations:
nghiep cao » nghiep bao, nghiep cay, nghiep can
nganh khoa » nganh hoa, nganh khong, doanh khoa
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
thoi dai » hoc dai, hoi dap, hoi dan
cao dong » cao dang, lao dong, cao cong
dong hoc » dong co, dong luc
khoa hoc » hoa hoc
tu cach » tu cac
hoi van » hoi va, hoi dan, hai van
ma hoi » mai hoi, xa hoi, ma hoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach thoi dai, nghiep cao dong hoc nganh khoa hoc ma hoi van ((luan van) or (pham van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi dai, nghiep cao dong hoc nganh khoa hoc ma hoi van ((luan van) OR (pham van)).
• Adding a wildcard symbol may retrieve word variants: tu cach thoi dai, nghiep cao dong hoc nganh khoa hoc ma hoi van ((luan van) or (pham van))*.