Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, ho chieu, mot chieu
trang cua » tranh cua, trung cua, thang cua
tang cua » mang cua, hang cua, tang luan
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat
phan cac » nhan cach, phan dau, phan lap
doi chi » doi khi

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 (doi chi)) sang - hanh ((trang cua) or (tang cua)) nhung cong tac phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) sang - hanh ((trang cua) OR (tang cua)) nhung cong tac phan cac*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (doi chi)) sang - hanh ((trang cua) or (tang cua)) nhung cong tac phan cac*".