Perhaps you should try some spelling variations:
trung duong » trung dung, trung dong, truong huong
chieu sach » chinh sach, chiet tach, chieu sang
dang quang » dung quang, nang quan, dang hung
doi chieu » doc hieu, doi chi, mot chieu
hanh dang » hanh dong, anh dang, hanh dung
than cap » khan cap, thanh lap, thanh cac
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: doi chieu sach - hanh dang quang ((trung uong) or (trung duong)) dan ((than cap) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh dang quang ((trung uong) OR (trung duong)) dan ((than cap) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh dang quang ((trung uong) or (trung duong)) dan ((than cap) or (phan lap))*.