Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoang manh » hoang minh, hoang anh, hoang xanh
hanh manh » hanh mang, lanh manh, thanh minh
dung cong » dung trong
van dung » van dong, xay dung, tin dung
cong van » cong vang, cong san, song van
van than » van thanh, van thang, van tuan
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 (dieu hanh)) - ((hanh manh) or (hoang manh)) van dung cong van than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (dieu hanh)) - ((hanh manh) OR (hoang manh)) van dung cong van than cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (dieu hanh)) - ((hanh manh) or (hoang manh)) van dung cong van than cao*.