Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua
cong vang » cong lang, cong quang, cong ngang
vang khan » dang khanh, van phan, van khanh
manh cua » doanh cua, ban cua
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: doi chieu sach - canh ((tranh cua) or (manh cua)) nhung cong vang khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh ((tranh cua) OR (manh cua)) nhung cong vang khan cap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh ((tranh cua) or (manh cua)) nhung cong vang khan cap*.