Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, nhieu tang
quan duong » tuan duong, quan dong, qua duong
duong cong » dung cong, luong cong, duong trong
hieu lang » hieu quang, nhieu tang, hieu van
hanh nang » anh nang, ganh nang, hanh mang
nang quan » ban quan, nang suat
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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 (((chieu sang) or (hieu lang)))) - hanh nang quan duong cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (((chieu sang) OR (hieu lang)))) - hanh nang quan duong cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (((chieu sang) or (hieu lang)))) - hanh nang quan duong cong dan toan cau*.