Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tung vat » dung vat, tang vat, tung va
vat dung » van dung, va dung, viet dung
cong ban » cong bang, cong san, cong tan
thai cao » thoai cac, thuat cao, toan cao
tai cao » tao cao, tai sao, tai cac

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 - thanh tung vat dung cong ban ((thai cao) OR (tai cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh tung vat dung cong ban ((thai cao) OR (tai cao))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung vat dung cong ban ((thai cao) OR (tai cao))*.