Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
soan thao » soan theo, hoan hao
dung cong » dung trong
thao lua » thao cua, thao lu, thai luan
lua dung » qua dung, luan hung, qua duong
cong toc » cong tac, cong coc, cong uoc
toc phan » hoc phan, doc phan, toan phan
phan tap » phan lap, han tap, pha tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sach) OR (chieu tinh)) - soan thao lua dung cong toc phan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) OR (chieu tinh)) - soan thao lua dung cong toc phan tap".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) OR (chieu tinh)) - soan thao lua dung cong toc phan tap*.