Perhaps you should try some spelling variations:
thien chien » thien nhien
chien sach » chieu sach, chuyen sach, chinh sach
hanh tranh » canh tranh, hanh trinh, hanh trang
cua hang » cua nhung, cua cong, cua ban
cua dang » cua cong, cua ban
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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

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