Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tranh va » tranh van, trang va, trinh va
phan cac » nhan cach, phan dau, phan van
phan lap » phan 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 - canh tranh va ((thong cong) or (dung cong)) doan ((phan cac) OR (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh va ((thong cong) OR (dung cong)) doan ((phan cac) OR (phan lap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - canh tranh va ((thong cong) or (dung cong)) doan ((phan cac) OR (phan lap))*".