Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh tung » thanh tung, manh tung, hanh dung
cua thong » cua thuong, cua khong, cua tong
theo chu » theo chieu, cho chu, chao chu
chu nang » chuc nang, chua nang, cuu nang
anh tang » anh bang, anh dang, anh nang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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 chu nang - ((hanh tung) or (anh tang)) cua thong cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu nang - ((hanh tung) OR (anh tang)) cua thong cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: theo chu nang - ((hanh tung) or (anh tang)) cua thong cong dan toan cao*.