Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
toc chieu » toc thieu, doc hieu, hoc thieu
van duong » van dong, van dung, van phong
luong nin » luong ninh, luong tin, luong nan
van hung » van dung, manh hung, van dong
nin toan » tinh toan
toan tap » toan ban

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 - canh tranh ((va ung) or (((van hung) or (van duong)))) luong nin toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu sach - canh tranh ((va ung) OR (((van hung) OR (van duong)))) luong nin toan tap.
• Adding a wildcard symbol may retrieve word variants: toc chieu sach - canh tranh ((va ung) or (((van hung) or (van duong)))) luong nin toan tap*.