Perhaps you should try some spelling variations:
theo chiet » theo chieu
thep thiet » thep viet, thuyet thiet
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
truong va » truong dai, truong dao, luong va
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan

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

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