Perhaps you should try some spelling variations:
luan chung » luan chinh
doi chieu » doc hieu, doi chi, ho chieu
anh dang » anh dong, anh dung, anh bang
luan ung » luan hung, luon ung, luan luong
cong tac » cong ty
tac nhan » tao nhan, cac nhan, dac nhan
nhan cap » khan cap, than cap, nhan cach

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (hoc hien)) tinh - anh dang ((luan ung) or (luan chung)) cong tac nhan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (hoc hien)) tinh - anh dang ((luan ung) OR (luan chung)) cong tac nhan cap.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (hoc hien)) tinh - anh dang ((luan ung) or (luan chung)) cong tac nhan cap*.