Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
tinh hoc » sinh hoc, tin hoc, hinh hoc
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
khoa hoc » hoa hoc
hang tai » hang va, dung tai
nhan va » nhan tai, nhan dan, nhan tao
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: ve tinh hoc tap, nghien cuu dong hoc nganh khoa hoc xa hoi va ((nhan va) or (hang tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ve tinh hoc tap, nghien cuu dong hoc nganh khoa hoc xa hoi va ((nhan va) OR (hang tai)).
• Adding a wildcard symbol may retrieve word variants: ve tinh hoc tap, nghien cuu dong hoc nganh khoa hoc xa hoi va ((nhan va) or (hang tai))*.