Perhaps you should try some spelling variations:
chua nang » chuc nang, chua xang, cuu nang
dang cong » dung cong
kha nang » phap nang, ky nang, ki nang
mang cua » manh cua, ban cua, cong cua
dung cua » dung luan, dung cho
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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

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