Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
chieu sach » chinh sach, chiet tach, chieu sang
phuong dan » phuong danh, phuong doan, huong dan
hanh hang » thanh hang, hang hang, hanh han
ho chieu » theo chieu, hoc thieu, doi chieu
toan cau » 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 hang va nhung phuong dan ((toan cau) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh hang va nhung phuong dan ((toan cau) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh hang va nhung phuong dan ((toan cau) or (van ban))*.