Perhaps you should try some spelling variations:
khang thuoc » khong thuoc, dang thuoc, hanh thuoc
nganh khang » nganh khong, ngan hang, nhanh thang
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
thoi tap » toi tap, hoc tap, thoi dai
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
thuoc xa » thuoc ma, thuoc va, thuoc la
nhan van » nhan dan, nhan va, nha van
phan van » pham van, thanh van, luan van
tu cach » tu cac
hoi van » hoi va, hoi dan, hai van

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 tap, nghien cuu dong hoc nganh khang thuoc xa hoi van ((nhan van) or (phan van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghien cuu dong hoc nganh khang thuoc xa hoi van ((nhan van) OR (phan van)).
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien cuu dong hoc nganh khang thuoc xa hoi van ((nhan van) or (phan van))*.