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