Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong tan, truong thanh
hanh mang » nhanh mang, hanh trang, nhanh lang
mang luon » mang luoi, nang luong, hang luong
theo chu » theo chieu, cho chu, chao chu
chu nang » chuc nang, chua nang, cuu nang
luon ung » luan ung, luoc ung, luon suong
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu nang - hanh mang luon ung ((cong san) or (((cong thanh) OR (cong trinh)))) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu nang - hanh mang luon ung ((cong san) OR (((cong thanh) OR (cong trinh)))) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu nang - hanh mang luon ung ((cong san) or (((cong thanh) OR (cong trinh)))) than cap".
• Adding a wildcard symbol may retrieve word variants: theo chu nang - hanh mang luon ung ((cong san) or (((cong thanh) OR (cong trinh)))) than cap*.