Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu quang » thieu quang, hieu qua, diep quang
hieu quan » hieu qua, lieu quan, thien quan
hanh dung » thanh dung, anh dung, hanh dong
cua trong » cua truong, cua trung, qua trong
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 ((chieu xanh) or (((hieu quang) OR (hieu quan)))) - hanh dung cua trong cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (((hieu quang) OR (hieu quan)))) - hanh dung cua trong cong dan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (((hieu quang) OR (hieu quan)))) - hanh dung cua trong cong dan toan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (((hieu quang) OR (hieu quan)))) - hanh dung cua trong cong dan toan tap*.