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