Perhaps you should try some spelling variations:
chien sach » chieu sach, chuyen sach, chinh sach
thong cong » trong cong, tong cong, thong thong
cua chien » cu chien, cua chieu, cuoc chien
hanh tang » hanh trang, hanh mang, hanh tung
hang cong » dang cong, hang nong, bang cong
dan thanh » dang thanh, danh thanh, ban thanh
thanh ban » thanh san, thanh van, thanh bac
anh tang » anh bang, anh dang, anh nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: cua chien sach - ((hanh tang) or (anh tang)) va ((hang cong) or (thong cong)) dan thanh ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cua chien sach - ((hanh tang) OR (anh tang)) va ((hang cong) OR (thong cong)) dan thanh ban.
• Adding a wildcard symbol may retrieve word variants: cua chien sach - ((hanh tang) or (anh tang)) va ((hang cong) or (thong cong)) dan thanh ban*.