Perhaps you should try some spelling variations:
thanh trung » thanh tung
dang luong » nang luong, hang luong, dang cuong
dung luong » dung thuong, dung phuong, dung truong
tieu xanh » tieu danh, chieu xanh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
quang cao » nang cao, quang nam
tuan cao » toan cao, juan cao, thuan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - thanh trung cua ((dang luong) or (dung luong)) anh ((tuan cao) OR (quang cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh trung cua ((dang luong) OR (dung luong)) anh ((tuan cao) OR (quang cao))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh trung cua ((dang luong) or (dung luong)) anh ((tuan cao) OR (quang cao))*".