Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
cua thong » cua thuong, cua khong, suat thong
tac huong » tac thuong, tay huong, tam huong
huong cau » thuong chau, huong dan, huong cua
cua tong » cua cong, cua dong, cua nong
cong tac » cong ty
ho diep » hong diep, cho dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho diep tinh - thanh dung ((cua thong) OR (cua tong)) cong tac huong cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho diep tinh - thanh dung ((cua thong) OR (cua tong)) cong tac huong cau".
• Adding a wildcard symbol may retrieve word variants: ho diep tinh - thanh dung ((cua thong) OR (cua tong)) cong tac huong cau*.