Perhaps you should try some spelling variations:
phai nhuong » phan thuong, pham thuong, pham chuong
pha nhung » tham nhung, phan chung, thai nhung
ho chieu » theo chieu, hoc thieu, doi chieu
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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) or (doc hieu)) sach - thanh cong ((pha nhung) or (phai nhuong)) cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doc hieu)) sach - thanh cong ((pha nhung) OR (phai nhuong)) cong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doc hieu)) sach - thanh cong ((pha nhung) or (phai nhuong)) cong dan phan cau*.