Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
chuc danh » chuc nganh, thuc hanh, chuc nang
tang luan » dung luan
tang cua » mang cua, hang cua, thong cua
cong dao » cuong dao, cong dan, dong dao
dao van » do van, dang van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chuc danh) or (chieu xanh)) - hanh ((tang cua) OR (tang luan)) nhung cong dao van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc danh) OR (chieu xanh)) - hanh ((tang cua) OR (tang luan)) nhung cong dao van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chuc danh) or (chieu xanh)) - hanh ((tang cua) OR (tang luan)) nhung cong dao van ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chuc danh) or (chieu xanh)) - hanh ((tang cua) OR (tang luan)) nhung cong dao van ban*.