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 manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan ban, toan tap

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 manh toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh tram ((van nhung) OR (va nhung)) cong manh toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh tram ((van nhung) OR (va nhung)) cong manh toan cao*.