Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
dua nhung » cua nhung, du nhung, qua nhung
anh nang » ganh nang, anh bang, anh dang
nang dua » nang du, nang suat, nang quan
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (doi chieu)) tinh - anh nang dua nhung cong san ((nhu cau) or (nhung bai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chieu)) tinh - anh nang dua nhung cong san ((nhu cau) OR (nhung bai)).
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chieu)) tinh - anh nang dua nhung cong san ((nhu cau) or (nhung bai))*.