Perhaps you should try some spelling variations:
thanh phuong » thanh huong, thanh chuong, trinh phuong
thanh thuong » thanh huong, thanh chuong, khanh thuong
trinh cong » trinh dung
hieu lang » chieu sang, hieu quang, nhieu tang
qua trinh » qua kinh
doi hieu » doi chieu, doc hieu, doi hien
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hieu lang - ((thanh thuong) or (((thanh phuong) OR (khanh phong)))) qua trinh cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - ((thanh thuong) OR (((thanh phuong) OR (khanh phong)))) qua trinh cong san toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi hieu lang - ((thanh thuong) or (((thanh phuong) OR (khanh phong)))) qua trinh cong san toan tap".
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - ((thanh thuong) or (((thanh phuong) OR (khanh phong)))) qua trinh cong san toan tap*.