Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
hang dung » hoang dung, dang dung, hang cung
dung thi » dung tai, dung tri, dung chi
thi hang » thi hanh, thi nang, thi hong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
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 (chiet tach)) - hang dung thi hang ((cong dan) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chiet tach)) - hang dung thi hang ((cong dan) OR (cong san)) toan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chiet tach)) - hang dung thi hang ((cong dan) or (cong san)) toan cao*.