Perhaps you should try some spelling variations:
hieu vien » hieu hien, lieu vien, thieu nien
cach thuc » anh thuc
hieu viec » nhieu viec, hieu ve, sieu viet
van thanh » ban thanh, van tuan
thanh ca » thanh cha, thanh cac, thanh ha
duc van » duc va, duc tan, duc manh
cac thu » cac thoi
lang xa » lang ha, dang xay, lang van
ca cua » co cua
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)) lang xa hoi. ((hieu vien) or (hieu viec)) da duc van thanh ca cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((cach thuc) OR (cac thu)) lang xa hoi. ((hieu vien) OR (hieu viec)) da duc van thanh ca cua tu.
• Adding a wildcard symbol may retrieve word variants: thu ((cach thuc) or (cac thu)) lang xa hoi. ((hieu vien) or (hieu viec)) da duc van thanh ca cua tu*.