Perhaps you should try some spelling variations:
phuong huong » phuong duong, phuong luong, thuong phuong
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, mot chieu
hanh dung » thanh dung, anh dung, hanh dong
va phuong » va thuong, cac phuong
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 dung va phuong huong dan than cau~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh dung va phuong huong dan than cau*.