Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, lieu vien
cach thuc » anh thuc
thanh va » thanh van, thanh ha, than va
hanh va » hang va, hanh vi
cac thu » cac thoi
lang xa » lang ha, dang xay, lang van
vien do » vien da, bien do, tien do
duc van » duc va, duc tan, duc manh
do duc » dao duc, do duy
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 do duc van ((thanh va) or (hanh va)) 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 do duc van ((thanh va) OR (hanh va)) cua tu.
• Adding a wildcard symbol may retrieve word variants: thu ((cach thuc) or (cac thu)) lang xa hoi. hieu vien do duc van ((thanh va) or (hanh va)) cua tu*.