Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chua nang » chuc nang, chua xang, cuu nang
kha nang » phap nang, ky nang, ki nang
tang cua » mang cua, tang luan, thong cua
hang cua » mang cua, hang ca, huong cua
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: cheo ((chua nang) or (kha nang)) - hanh ((tang cua) OR (hang cua)) nhung cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cheo ((chua nang) OR (kha nang)) - hanh ((tang cua) OR (hang cua)) nhung cong san toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cheo ((chua nang) or (kha nang)) - hanh ((tang cua) OR (hang cua)) nhung cong san toan tap".
• Adding a wildcard symbol may retrieve word variants: cheo ((chua nang) or (kha nang)) - hanh ((tang cua) OR (hang cua)) nhung cong san toan tap*.