Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
khong cong » thong cong, khong cang, chong cong
hieu lang » chieu sang, hieu quang, nhieu tang
hanh hang » thanh hang, hang hang, hanh han
doanh bat » danh bat, doanh tai, doanh va
ta khong » va khong, thi khong, hoa khong
ty doanh » ly doanh, te doanh, tri doanh
hang ta » hang tai, hang tap, hang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu lang) or (chieu sach)) - hanh hang ta khong cong ty doanh bat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (chieu sach)) - hanh hang ta khong cong ty doanh bat.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (chieu sach)) - hanh hang ta khong cong ty doanh bat*.