Perhaps you should try some spelling variations:
nhanh thanh » phan thanh, nhanh tinh
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
tinh dung » tin dung, tinh quang, tinh huong
cong van » cong vang, cong san, song van
van than » van thanh, van thang, van tuan
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - nhanh thanh ((tinh dung) or (trinh dung)) cong van than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - nhanh thanh ((tinh dung) OR (trinh dung)) cong van than cap.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - nhanh thanh ((tinh dung) or (trinh dung)) cong van than cap*.