Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
lang chinh » hang chinh, lan chinh, dang chinh
doi chieu » doc hieu, doi chi, ho chieu
cong lang » cong vang, cong luong, cong quang
chinh can » chinh ca, chinh ban, chinh cau
than cua » nhan cua, thai cua, gian cua
ban cua » ban quan

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 sach - hanh ((than cua) or (ban cua)) nhung cong lang chinh can~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh ((than cua) OR (ban cua)) nhung cong lang chinh can.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh ((than cua) or (ban cua)) nhung cong lang chinh can*.