Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tram » hanh tam, hanh trang, thanh tran
van nhung » van nhuong, van hung, van phung
cong danh » cuong danh, cong dan, cong thanh
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan ban
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: ho chieu sach - hanh tram ((van nhung) or (va nhung)) cong danh ((toan cao) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh tram ((van nhung) OR (va nhung)) cong danh ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh tram ((van nhung) or (va nhung)) cong danh ((toan cao) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh tram ((van nhung) or (va nhung)) cong danh ((toan cao) OR (toan tap))*.