Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
phan thanh » pham thanh, ban thanh, van thanh
cong van » cong vang, cong san, song van
van khan » van khanh, van khang, van phan
khan cap » khan ap, than cap, khoan cam

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 - phan thanh ((tin dung) or (trinh dung)) cong van khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - phan thanh ((tin dung) OR (trinh dung)) cong van khan cap.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - phan thanh ((tin dung) or (trinh dung)) cong van khan cap*.