Perhaps you should try some spelling variations:
thinh sach » chinh sach, tinh sach, sinh sach
hanh tranh » canh tranh, hanh trinh, hanh trang
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
cua hang » cua dang, cua nhung, cua ban
toan cau » toan cao, toan ban, toan tap
tien » tieng, bien, vien

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

• Performing a fuzzy search may retrieve terms with similar spellings: tien thinh sach - hanh tranh ((cua hang) OR (cua cong)) cong hach toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tien thinh sach - hanh tranh ((cua hang) OR (cua cong)) cong hach toan cau".
• Adding a wildcard symbol may retrieve word variants: tien thinh sach - hanh tranh ((cua hang) OR (cua cong)) cong hach toan cau*.