Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
cach thuc » anh thuc
van hanh » van thanh, ban hanh, van anh
dang xay » dang van, van xay
da duoc » tao duoc, hoa duoc
hanh va » hang va, hanh vi
xay hoi » xa hoi, tay hoi, cay phoi
cac thu » cac thoi
cua tuc » cua duc, cua tu, cua thuoc
da duc » dao duc, do duc, ha duc
va cua » va chua, via cua, ca cua

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 hoi. hieu viec ((da duc) OR (da duoc)) van hanh va cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((cach thuc) OR (cac thu)) dang xay hoi. hieu viec ((da duc) OR (da duoc)) van hanh va cua tuc*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((cach thuc) or (cac thu)) dang xay hoi. hieu viec ((da duc) OR (da duoc)) van hanh va cua tuc*".