Perhaps you should try some spelling variations:
dong thanh » truong thanh
chua xang » chua nang, chuc nang, chu bang
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
luan dung » lan dung, luan dong, luan hung
dung dong » dung cong, vung dong, dung trong
chu xanh » chu manh, chieu xanh, chuc danh
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) OR (chua xang)) - hanh tang luan dung dong thanh ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chua xang)) - hanh tang luan dung dong thanh ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chua xang)) - hanh tang luan dung dong thanh ((toan cao) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chua xang)) - hanh tang luan dung dong thanh ((toan cao) or (toan ban))*.