Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
nhung cong » dung cong, thong cong, hang cong
cong than » cong thanh, cong thang, cong tan
than phan » thanh phan, toan phan, thanh pham
tranh va » tranh van, trang va, trinh va
phan cac » nhan cach, phan dau, phan lap
ha tinh » va tinh, may tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((ha tinh) or (chieu sach))) or (chiet tach)) - canh tranh va nhung cong than phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((ha tinh) OR (chieu sach))) OR (chiet tach)) - canh tranh va nhung cong than phan cac.
• Adding a wildcard symbol may retrieve word variants: ho ((((ha tinh) or (chieu sach))) or (chiet tach)) - canh tranh va nhung cong than phan cac*.