Perhaps you should try some spelling variations:
thieu dang » thien dang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
trung va » truong va, trung ha, trung tam
trang va » tran van, hang va
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
phan tap » phan lap, han tap, pha tap

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 dang - thanh ((trung va) OR (trang va)) phong ((cong dan) or (cong tan)) phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu dang - thanh ((trung va) OR (trang va)) phong ((cong dan) OR (cong tan)) phan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu dang - thanh ((trung va) OR (trang va)) phong ((cong dan) or (cong tan)) phan tap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu dang - thanh ((trung va) OR (trang va)) phong ((cong dan) or (cong tan)) phan tap*.