Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
thanh tung » thanh cong
tuan nhung » quan nhung, tuan hung, thuat nhung
nhung cong » dung cong, thong cong, hang cong
tung tuan » trung tuan, hung tuan, quang tuan
cong san » cong tac
san than » sang than, san thanh, ban than
than cao » toan cao, thai cao, than cap

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)) - thanh tung tuan nhung cong san than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chiet tach)) - thanh tung tuan nhung cong san than cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) OR (chiet tach)) - thanh tung tuan nhung cong san than cao*.