Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
truong va » truong dai, truong cao, truong dao
trung va » trang va, trung ha, trung tam
cong dan » cong san, cong tan, huong dan
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - thanh ((trung va) or (truong va)) nhung cong dan ((toan cao) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - thanh ((trung va) OR (truong va)) nhung cong dan ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - thanh ((trung va) or (truong va)) nhung cong dan ((toan cao) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - thanh ((trung va) or (truong va)) nhung cong dan ((toan cao) OR (toan ban))*.