Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
nhung cong » dung cong, thong cong, hang cong
tung cua » trung cua, tuong cua, tang cua
dung cua » dung luan, dung cho
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau

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