Perhaps you should try some spelling variations:
luan thong » luan tuong, luat thong, xuan thong
luan phong » luan phuong, xuan phuong, van phong
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh dung » thanh dung, anh dung, hanh dong
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban, toan tap

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 - hanh dung ((luan thong) OR (luan phong)) ((cong dan) or (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh dung ((luan thong) OR (luan phong)) ((cong dan) OR (cong tan)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh dung ((luan thong) OR (luan phong)) ((cong dan) or (cong tan)) toan cao".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh dung ((luan thong) OR (luan phong)) ((cong dan) or (cong tan)) toan cao*.