Perhaps you should try some spelling variations:
thinh sach » chinh sach, tinh sach, sinh sach
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
hang cong » hang nong, thanh cong, thong cong
dang cong » dung cong
bang cong » bang song, dung cong, cong cong
tac toan » tap toan, tam toan, hach toan
toan ban » van ban
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 cong) OR (dang cong))) or (bang cong)) tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tien thinh sach - hanh tranh cua ((((hang cong) OR (dang cong))) OR (bang cong)) tac toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tien thinh sach - hanh tranh cua ((((hang cong) OR (dang cong))) or (bang cong)) tac toan ban".
• Adding a wildcard symbol may retrieve word variants: tien thinh sach - hanh tranh cua ((((hang cong) OR (dang cong))) or (bang cong)) tac toan ban*.