Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
thuong cao » truong cao, thuong chau, thuong mai
doi chieu » doc hieu, doi chi, ho chieu
thong cao » thong cac, thong cap, thong cau
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
gian cac » gian dan, gian cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (doi chieu)) xanh - thanh ((thuong cao) OR (thong cao)) dung cong dan gian cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chieu)) xanh - thanh ((thuong cao) OR (thong cao)) dung cong dan gian cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (doi chieu)) xanh - thanh ((thuong cao) OR (thong cao)) dung cong dan gian cac".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doi chieu)) xanh - thanh ((thuong cao) OR (thong cao)) dung cong dan gian cac*.