Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chua nang » chuc nang, chua xang, kha nang
cho chua » cho chu, cho cua, ho chua
anh nang » ganh nang, anh bang, anh dang
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
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: cho chua nang - ((anh nang) or (hanh trinh)) va hang ((cong dan) OR (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chua nang - ((anh nang) OR (hanh trinh)) va hang ((cong dan) OR (cong san)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho chua nang - ((anh nang) or (hanh trinh)) va hang ((cong dan) OR (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: cho chua nang - ((anh nang) or (hanh trinh)) va hang ((cong dan) OR (cong san)) toan cau*.