Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
chieu sach » chinh sach, chieu sang, chieu xanh
trong thu » trong nha
dung cong » dung trong
thu dung » thuy dung, thuc dung, thu dang
cong dan » cong san, cong tan, huong dan
phan lap » phan dau

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 (chiet tach)) - thanh trong thu dung cong dan ((phan lap) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chiet tach)) - thanh trong thu dung cong dan ((phan lap) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chiet tach)) - thanh trong thu dung cong dan ((phan lap) or (phan tu))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chiet tach)) - thanh trong thu dung cong dan ((phan lap) or (phan tu))*.