Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
trinh toan » thanh toan, trinh han, trinh quan
doi chieu » doc hieu, doi chi, mot chieu
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, hoc thieu, mot chieu
cua hang » cua dang, cua nhung, cua cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) OR (ho chieu)) sach - hanh tranh cua hang cong ((trinh toan) or (tinh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) sach - hanh tranh cua hang cong ((trinh toan) OR (tinh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (ho chieu)) sach - hanh tranh cua hang cong ((trinh toan) or (tinh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (ho chieu)) sach - hanh tranh cua hang cong ((trinh toan) or (tinh toan)) cau*.