Perhaps you should try some spelling variations:
nguyen huu » nguyen duc
nganh khoa » nganh hoa, nganh khong, doanh khoa
thanh toan » thanh hoa, thanh san, tinh toan
hoc nganh » hoc nhanh
thanh van » thanh san, thanh phan, thanh nhan
chu sinh » cho sinh, cuu sinh, chu dinh
khoa hoc » hoa hoc
huu mon » huu son, hau mon, huu mot
mon hoc » toan hoc, dong hoc
hoi ban » hoi dan, hoi bai, doi ban
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: chu sinh hoc tap, nguyen huu mon hoc nganh khoa hoc ma hoi ban ((thanh van) or (thanh toan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chu sinh hoc tap, nguyen huu mon hoc nganh khoa hoc ma hoi ban ((thanh van) OR (thanh toan)).
• Adding a wildcard symbol may retrieve word variants: chu sinh hoc tap, nguyen huu mon hoc nganh khoa hoc ma hoi ban ((thanh van) or (thanh toan))*.