Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
thoi tap » toi tap, hoc tap, thoi dai
cong hoc » dong hoc, cong hoa, cong coc
van nhan » van phan, van thanh, danh nhan
nhan van » nhan dan, nhan va, phan van
tu cach » tu cac
ma hoi » mai hoi, ma hoa, me hoi

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