Perhaps you should try some spelling variations:
nganh thong » nganh khong, nganh cong, nhanh chong
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
thong hoc » thuong hoc, tuong hoc, thong hoa
thanh van » thanh san, thanh toan, thanh phan
thoi dap » hoi dap, thoi dai, thi dap
va thanh » gia thanh, ban thanh, va tinh
tu cach » tu cac
cuu hoa » cuu khoa, cuu hoan, cau hoa
lai hoi » dai hoi, lai hoa, lai roi
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 dap, nghien cuu hoa hoc nganh thong hoc ((ma hoi) or (lai hoi)) va thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi dap, nghien cuu hoa hoc nganh thong hoc ((ma hoi) OR (lai hoi)) va thanh van.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi dap, nghien cuu hoa hoc nganh thong hoc ((ma hoi) or (lai hoi)) va thanh van*.