Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thinh doan » chinh doanh, hinh toan, thi doan
toc chieu » toc thieu, doc hieu, hoc thieu
dang cong » dung cong
cong than » cong thanh, cong thang, cong tan
doan van » doan va, hoang van, luan van
van dang » van dong, van dung, van nang
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu sach - thinh doan van dang cong than ((phan dau) OR (phan lap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu sach - thinh doan van dang cong than ((phan dau) OR (phan lap))*".