Perhaps you should try some spelling variations:
doanh khoa » toan khoa
cach thoi » cac thoi, cach noi
cach thuc » anh thuc, cac thu
van luat » dan luat, va luat, van xuat
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 ((cach thoi) or (cach thuc)) tap, nghien cuu van luat doanh khoa hoc xa hoi dan hang tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((cach thoi) OR (cach thuc)) tap, nghien cuu van luat doanh khoa hoc xa hoi dan hang tai.
• Adding a wildcard symbol may retrieve word variants: su ((cach thoi) or (cach thuc)) tap, nghien cuu van luat doanh khoa hoc xa hoi dan hang tai*.