Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sach » chinh sach, chiet tach, chieu sang
doanh cua » doanh luan
ho chieu » theo chieu, hoc thieu, doi chieu
manh cua » ban cua
cong tan » cong tac, cong san, cong thanh
phan lap » phan dau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh ((manh cua) OR (doanh cua)) nhung cong tan ((phan lap) OR (phan tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - canh ((manh cua) OR (doanh cua)) nhung cong tan ((phan lap) or (phan tu))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh ((manh cua) OR (doanh cua)) nhung cong tan ((phan lap) or (phan tu))*.