Perhaps you should try some spelling variations:
chua nang » chuc nang, chua xang, cuu nang
hang cong » dang cong, hang nong, bang cong
kha nang » phap nang, ky nang, ki nang
anh tang » anh bang, anh dang, anh nang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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) OR (kha nang)) - ((anh tang) or (hanh chinh)) va hang cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chua nang) OR (kha nang)) - ((anh tang) OR (hanh chinh)) va hang cong dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chua nang) OR (kha nang)) - ((anh tang) or (hanh chinh)) va hang cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: cho ((chua nang) OR (kha nang)) - ((anh tang) or (hanh chinh)) va hang cong dan toan cao*.