Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
canh trinh » canh tranh, hanh trinh, canh tinh
hung vuong » hoang vuong
vuong tin » luong tin, vuong tan, duong tien
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 sach) OR (chieu sang)) - canh trinh va hung vuong tin toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chieu sang)) - canh trinh va hung vuong tin toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chieu sang)) - canh trinh va hung vuong tin toan cau*.