Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
chuong cao » cuong cac, luong cao, duong cao
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
than phan » thanh phan, toan phan, thanh pham
cong tan » cong tac, cong san, cong thanh
than ma » than man, than va, khan ma

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 xanh - thanh ((chuong cao) OR (truong cao)) nhung cong tan ((than phan) or (than ma))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh ((chuong cao) OR (truong cao)) nhung cong tan ((than phan) OR (than ma)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - thanh ((chuong cao) OR (truong cao)) nhung cong tan ((than phan) or (than ma))".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh ((chuong cao) OR (truong cao)) nhung cong tan ((than phan) or (than ma))*.