Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
van thanh » ban thanh
trong tan » trong quan, trong cac, trong ca
ho chieu » theo chieu, hoc thieu, doi chieu
van tuan » van quan, van ban, anh tuan
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
ha dung » hai dung, kha dung, nha dung

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 - ((van thanh) OR (van tuan)) ha dung trong tan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((van thanh) OR (van tuan)) ha dung trong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((van thanh) OR (van tuan)) ha dung trong tan toan cau*.