Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh nung » thanh tung, thanh hung, thanh dung
cong ngang » cong nhan, cong quang, cong lang
ngang bang » ngan bang, ngan hang, nang ban
doi chieu » doc hieu, doi chi, mot chieu
dang cong » dung cong
nung cao » nang cao, nhung cau, quang cao
bang cau » hang cau, bang cac, nang cao

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 - thanh nung cao dang cong ngang bang cau~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh nung cao dang cong ngang bang cau*.