Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thich nang » tich nang, thi nang, thich anh
quan nhung » qua nhung, cua nhung, luan chung
hanh ban » thanh ban, hang ban, hanh san
ban quan » van quan
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
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 ((chieu sang) or (thich nang)) - hanh ban quan nhung ((cong dan) OR (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (thich nang)) - hanh ban quan nhung ((cong dan) OR (cong san)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) or (thich nang)) - hanh ban quan nhung ((cong dan) OR (cong san)) toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (thich nang)) - hanh ban quan nhung ((cong dan) OR (cong san)) toan ban*.