Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
chieu sach » chinh sach, chiet tach, chieu sang
phuong dan » phuong danh, phuong doan, huong dan
doi chieu » doc hieu, doi chi, ho chieu
chinh va » chinh ta, chinh tai, hanh va
toan cau » toan ban, toan tai
toan tap » toan ban
toan cao » toan ban
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - hanh chinh va dung phuong dan ((((toan cau) or (toan tap))) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh chinh va dung phuong dan ((((toan cau) OR (toan tap))) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh chinh va dung phuong dan ((((toan cau) or (toan tap))) or (toan cao))*.