Perhaps you should try some spelling variations:
thuong con » thuong dong, truong cong, thong cong
ca thuong » cao thuong, cua thuong, va thuong
anh dang » anh dong, anh dung, anh bang
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
dang ca » dang cac, dan ca, hang ca
con dan » cong dan, co dan, con ban
chuc » thuc, chu, chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hoat dong) or (chuc nang)) - anh dang ca thuong con dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hoat dong) OR (chuc nang)) - anh dang ca thuong con dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((hoat dong) or (chuc nang)) - anh dang ca thuong con dan toan cau*.