Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
thong cua » thong quan, thong tu, huong cua
tang luan » dung luan
chu xanh » chu manh, chua xang, chuc danh
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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