Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
minh phan » minh pham, minh nhan, dinh phan
hung cong » nhung cong, hung cuong, phung cong
cong toan » cong tan, cong hoan, cong tuan
toan phan » thanh phan, toan ban, hoa phan
phan duc » pham duc, phan tu, phan dau
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (((nhieu tang) or (hieu lang)))) - minh phan duc hung cong toan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (((nhieu tang) OR (hieu lang)))) - minh phan duc hung cong toan phan cac.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (((nhieu tang) or (hieu lang)))) - minh phan duc hung cong toan phan cac*.