Perhaps you should try some spelling variations:
thanh tung » thanh cong
theo chuc » theo chu, tho chu, treo chu
hanh dang » hanh dong, hanh dung, hanh mang
tong cong » trong cong, cong cong, dung cong
anh dang » anh dong, anh dung, anh bang
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap
va tong » va thong, va tuong, va trong

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chuc nang - ((((hanh dang) or (thanh tung))) or (anh dang)) va tong cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chuc nang - ((((hanh dang) OR (thanh tung))) OR (anh dang)) va tong cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: theo chuc nang - ((((hanh dang) or (thanh tung))) or (anh dang)) va tong cong san toan cau*.