Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dung cong » dung trong
thoai cac » tai cac, thong cac, tho cac
thuat bao » thuat bai, thuat giao, thuat do
ho chieu » theo chieu, hoc thieu, doi chieu
tung vat » dung vat, tang vat, tung va
dong vat » dong va, dong von, dong ha
cong tac » cong ty

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) or (dong vat)) dung cong tac ((thoai cac) or (thuat bao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((tung vat) OR (dong vat)) dung cong tac ((thoai cac) OR (thuat bao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((tung vat) or (dong vat)) dung cong tac ((thoai cac) or (thuat bao))*.