Perhaps you should try some spelling variations:
nganh dung » ngan dung, anh dung, nganh cong
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
thu cach » thuc cach, thu canh, tu cach
thoi tai » thoi dai, hoi tai, phoi tai
thuoc xa » thuoc ma, thuoc va, thuoc la
nhan dan » phan dau, gian dan, nhan tai
hoi cau » hoi chu, hoc cau, hoa cau
hoi cua » hoi chuc
cuu co » huu co, cua co, cuu mo

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 tai, nghien cuu co hoc nganh dung thuoc xa ((hoi cau) or (hoi cua)) nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cach thoi tai, nghien cuu co hoc nganh dung thuoc xa ((hoi cau) OR (hoi cua)) nhan dan.
• Adding a wildcard symbol may retrieve word variants: thu cach thoi tai, nghien cuu co hoc nganh dung thuoc xa ((hoi cau) or (hoi cua)) nhan dan*.