Perhaps you should try some spelling variations:
ndung phuong » nhung phuong, dung thuong, dong phuong
dung phuong » dung thuong, bang phuong, dung chung
chieu sach » chinh sach, chiet tach, chieu sang
ho chieu » theo chieu, hoc thieu, doi chieu
canh vay » canh tay, canh va, canh van
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap
vay lan » vay luan, van lan, cay lanh

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 - canh vay lan ((dung phuong) or (ndung phuong)) van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh vay lan ((dung phuong) OR (ndung phuong)) van toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh vay lan ((dung phuong) or (ndung phuong)) van toan cao*.