Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
chua xang » chua nang, chuc nang, chu bang
dung cong » dung trong
trang su » trang suc, trong su, tang su
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » 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: ho ((chua xang) or ((chuc OR chu) nang)) - hanh trang su dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chua xang) OR ((chuc OR chu) nang)) - hanh trang su dung cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chua xang) or ((chuc OR chu) nang)) - hanh trang su dung cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chua xang) or ((chuc OR chu) nang)) - hanh trang su dung cong tac toan cau*.