Perhaps you should try some spelling variations:
thieu cach » hieu cach, thieu cac, hieu cac
hoc thieu » toc thieu, hoc hien
trung cap » truong cao, trung tam
tung cap » cung cap, thong cap, trong cap
cong ban » cong bang, cong tan, cong dan
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu cach - thanh ((tung cap) OR (trung cap)) hang ((cong ban) OR (cong san)) than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu cach - thanh ((tung cap) or (trung cap)) hang ((cong ban) OR (cong san)) than cap~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu cach - thanh ((tung cap) or (trung cap)) hang ((cong ban) OR (cong san)) than cap*.