Perhaps you should try some spelling variations:
hang cong » dang cong, hang nong, bang cong
chi tinh » chai tinh, chi minh, chi binh
tranh va » tranh van, trang va, trinh va
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap
doi chi » doi khi
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi tinh - canh tranh va hang cong san toan cau~.
• Adding a wildcard symbol may retrieve word variants: doi chi tinh - canh tranh va hang cong san toan cau*.