Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
cong thanh » dong thanh, cong trinh, cong tan
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh tran » hanh trang, thanh tran, hanh tram
van thong » van thuong, van phong, va thong
tran van » luan van
san ban » sang ban, van ban, can 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 (lieu tinh)) - hanh tran van thong cong thanh san ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (lieu tinh)) - hanh tran van thong cong thanh san ban.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (lieu tinh)) - hanh tran van thong cong thanh san ban*.