Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
chinh cua » chinh ca, chinh sua, hinh cua
dang cong » dung cong
nong tuan » cong tuan, nong tan, hoang tuan
vong tuan » vuong tuan, cong tuan, hoang tuan
cua dang » cua cong, cua ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) OR (chieu sang)) - hanh chinh cua dang cong ((nong tuan) or (vong tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu sang)) - hanh chinh cua dang cong ((nong tuan) OR (vong tuan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chieu sang)) - hanh chinh cua dang cong ((nong tuan) or (vong tuan)) cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chieu sang)) - hanh chinh cua dang cong ((nong tuan) or (vong tuan)) cau*.