Perhaps you should try some spelling variations:
kieu tinh » lieu tinh, trieu tinh, diep tinh
bien tinh » bi tinh, yen tinh, diep tinh
manh hung » anh huong
hung chuc » hung chu, nhung khuc, khong chuc
nang cong » nang song, dang cong, bang cong
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: doc ((kieu tinh) or (bien tinh)) - manh hung chuc nang cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((kieu tinh) OR (bien tinh)) - manh hung chuc nang cong van toan ban.
• Adding a wildcard symbol may retrieve word variants: doc ((kieu tinh) or (bien tinh)) - manh hung chuc nang cong van toan ban*.