Perhaps you should try some spelling variations:
hung vuong » hoang vuong
canh trinh » canh tranh, hanh trinh, canh tinh
vuong tin » luong tin, vuong tan, duong tien
ho chieu » theo chieu, hoc thieu, doi chieu
trinh va » trinh van, trinh vat, trinh ve
tin toan » tinh toan, nin toan, trinh toan
toan cau » toan cao, toan ban, toan tap
va hung » va nhung, van hung, va huong

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) or (theo tieu)) sach - canh trinh va hung vuong tin toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo tieu)) sach - canh trinh va hung vuong tin toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo tieu)) sach - canh trinh va hung vuong tin toan cau*.