Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
cach thuc » anh thuc
tinh hoa » trinh hoa, tinh hoc, minh hoa
dang xay » dang van, van xay
lang van » dang van, tang van, hoang van
hoa cua » hoa chat, hoa xuat
va tinh » may tinh
viec da » viec dat, vien da, viec va
cac thu » cac thoi
da duc » dao duc, da duoc, do duc
cua tu » cua tuc, cua su, cua cu

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 thuc) or (cac thu)) ((dang xay) or (lang van)) hoi. hieu viec da duc va tinh hoa cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((cach thuc) OR (cac thu)) ((dang xay) OR (lang van)) hoi. hieu viec da duc va tinh hoa cua tu.
• Adding a wildcard symbol may retrieve word variants: thu ((cach thuc) or (cac thu)) ((dang xay) or (lang van)) hoi. hieu viec da duc va tinh hoa cua tu*.