Perhaps you should try some spelling variations:
doanh khoa » toan khoa
cach thuc » anh thuc, cac thu
nang luat » nang suat, tang luat, nganh luat
cac thoi » cac toi, cac hop, cac tro
cuu nang » chuc nang, cam nang, cuu van
khoa hoc » hoa hoc
dan hang » ban hang, van hang, dat hang
hang tai » hang va, dung tai
hoi dan » hoa dan, hoc dan, hoi dap
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: su ((cac thoi) or (cach thuc)) tap, nghien cuu nang luat doanh khoa hoc xa hoi dan hang tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((cac thoi) OR (cach thuc)) tap, nghien cuu nang luat doanh khoa hoc xa hoi dan hang tai.
• Adding a wildcard symbol may retrieve word variants: su ((cac thoi) or (cach thuc)) tap, nghien cuu nang luat doanh khoa hoc xa hoi dan hang tai*.