Perhaps you should try some spelling variations:
cong cong » cong dong, trong cong, dung cong
hieu lang » chieu sang, hieu quang, nhieu tang
hoi hieu » hoi phieu, hoi tieu, moi hieu
anh nang » ganh nang, anh bang, anh dang
nang doc » nang luc
doc cong » hoc cong, duc cong, do cong
dan than » ban than, dan toan, dang thanh
van than » van thanh, van thang, van tuan
dan chan » dan gian, dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi hieu lang - anh nang doc cong cong ((((dan than) OR (van than))) or (dan chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi hieu lang - anh nang doc cong cong ((((dan than) OR (van than))) OR (dan chan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi hieu lang - anh nang doc cong cong ((((dan than) OR (van than))) or (dan chan)) cau".
• Adding a wildcard symbol may retrieve word variants: hoi hieu lang - anh nang doc cong cong ((((dan than) OR (van than))) or (dan chan)) cau*.