Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhung van » phung van, nhung bai, nhung cau
van thanh » ban thanh, van tuan
doanh va » doan va, doanh tai, doanh cua
pho tap » pho tam, pha tap, pho cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (chieu sang)) - hanh doanh va nhung van thanh pho tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu sang)) - hanh doanh va nhung van thanh pho tap*.