Perhaps you should try some spelling variations:
cong khanh » cong thanh, cong khan, cong nhan
khanh toan » thanh toan, khanh thanh, khanh thuan
luan hang » luan nang, luan han, luan hung
hang cong » dang cong, hang nong, bang cong
doc hieu » toc thieu, hoc thieu
anh dung » anh dong, anh huong, sach dung
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 hieu) or (hoc hien)) sang - anh dung luan hang cong khanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc hien)) sang - anh dung luan hang cong khanh toan ban.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (hoc hien)) sang - anh dung luan hang cong khanh toan ban*.