Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh hoan » thanh hoang, thanh toan, nhanh hoan
thanh hoa » thanh pho
nhung hoi » nhung thoi, nhung loi, nhung noi
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan ban
toan tap » toan ban
hoi dan » hoa dan, hoc dan, hoi dap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - ((thanh hoan) or (thanh hoa)) va nhung hoi dan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((thanh hoan) OR (thanh hoa)) va nhung hoi dan ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((thanh hoan) or (thanh hoa)) va nhung hoi dan ((toan cao) or (toan tap))*.