Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhan dang
nhung cong » dung cong, thong cong, hang cong
van nhung » van nhuong, va nhung, van hung
kha nang » phap nang, ky nang, ki nang
lang van » dang van, tang van, hoang van
van tan » van tuan, van ban, van thanh
van tai » von tai, van tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chuc nang) or (kha nang)) - nhanh lang van nhung cong ((van tan) OR (van tai)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc nang) OR (kha nang)) - nhanh lang van nhung cong ((van tan) OR (van tai)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chuc nang) or (kha nang)) - nhanh lang van nhung cong ((van tan) OR (van tai)) tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chuc nang) or (kha nang)) - nhanh lang van nhung cong ((van tan) OR (van tai)) tap*.