Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
truong va » truong dai, truong cao, truong dao
dung cong » dung trong
ho chieu » hoc thieu, doi chieu, mot chieu
trung va » trang va, trung ha, trung tam
cong dan » cong san, cong tan, huong dan
dan thai » dang thai, dan thi, dan than
thai cao » tai cao, thoai cac, thuat cao

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: ((ho chieu) OR (theo chieu)) xanh - thanh ((trung va) OR (truong va)) dung cong dan thai cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) xanh - thanh ((trung va) OR (truong va)) dung cong dan thai cao~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - thanh ((trung va) OR (truong va)) dung cong dan thai cao*.