Perhaps you should try some spelling variations:
nghien huu » nghien cuu, nguyen huu, nhiem huu
nganh dong » nganh cong, nhanh dong, nganh nong
cach thoi » cac thoi, cach thuc, cach noi
thoi tap » toi tap, hoc tap, thoi dai
dong hoc » dong co, dong luc
tu cach » tu cac
van hoc » van hoa
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao
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: tu cach thoi tap, nghien huu ((van hoc) or (hoa hoc)) nganh dong hoc ma hoi va nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghien huu ((van hoc) OR (hoa hoc)) nganh dong hoc ma hoi va nhan va.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien huu ((van hoc) or (hoa hoc)) nganh dong hoc ma hoi va nhan va*.