Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, hanh mang, hanh tung
chu manh » ho manh, chu han, chu van
anh tang » anh bang, anh dang, anh nang
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban

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 (chu manh)) - ((hanh tang) or (anh tang)) va nhung cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc nang) OR (chu manh)) - ((hanh tang) OR (anh tang)) va nhung cong van toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chuc nang) or (chu manh)) - ((hanh tang) or (anh tang)) va nhung cong van toan ban*.