Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
cach thoi » cac thoi, cach thuc, cach noi
nganh hoa » thanh hoa, khanh hoa, danh hoa
van thanh » ban thanh, van tuan
thanh dan » thanh san, thanh van, thanh dat
thu cach » thuc cach, thu canh, tu cach
thoi tap » toi tap, hoc tap, thoi dai
cong hoc » dong hoc, cong hoa, cong ho
cong coc » cong cuoc, cong cac, cong co
hoi van » hoi va, hoi dan, hai van
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: thu cach thoi tap, nghien cua ((cong hoc) or (cong coc)) nganh hoa hoc xa hoi van thanh dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cach thoi tap, nghien cua ((cong hoc) OR (cong coc)) nganh hoa hoc xa hoi van thanh dan.
• Adding a wildcard symbol may retrieve word variants: thu cach thoi tap, nghien cua ((cong hoc) or (cong coc)) nganh hoa hoc xa hoi van thanh dan*.