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
van thanh » ban thanh, van tuan
thoi dai » hoc dai, hoi dap, hoi dan
thuoc xa » thuoc ma, thuoc va, thuoc la
thanh va » thanh van, hanh va, thanh ha
tu cach » tu cac
mon hoc » toan hoc, dong hoc
van hoc » van hoa
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 dai, nghien cuu ((mon hoc) or (van hoc)) nganh khang thuoc xa hoi van thanh va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi dai, nghien cuu ((mon hoc) OR (van hoc)) nganh khang thuoc xa hoi van thanh va.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi dai, nghien cuu ((mon hoc) or (van hoc)) nganh khang thuoc xa hoi van thanh va*.