Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
thanh cac » hanh cac, thanh bac, thanh ca
trung va » truong va, trung ha, trung tam
trang va » tran van, hang va
cong van » cong vang, song van, cong tan
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu tinh - thanh ((trung va) or (trang va)) trong ((cong van) OR (cong san)) thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh ((trung va) OR (trang va)) trong ((cong van) OR (cong san)) thanh cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - thanh ((trung va) or (trang va)) trong ((cong van) OR (cong san)) thanh cac".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh ((trung va) or (trang va)) trong ((cong van) OR (cong san)) thanh cac*.