Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tung » thanh tung, manh tung, hanh dung
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
van quan » van ban
quan tai » quan tri, quang tri, quan li

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - ((hanh tung) or (hanh trang)) cua ((hang cong) OR (dang cong)) van quan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh tung) OR (hanh trang)) cua ((hang cong) OR (dang cong)) van quan tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((hanh tung) or (hanh trang)) cua ((hang cong) OR (dang cong)) van quan tai".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh tung) or (hanh trang)) cua ((hang cong) OR (dang cong)) van quan tai*.