Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong pham » phuong phap, phuong cham, thuong pham
pham hanh » pham thanh, pham anh, phan thanh
doc hieu » hoc thieu, hoc hien
tranh va » tranh van, trang va, trinh va
hanh cac » hang cac, hanh cat, hanh cham

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (toc thieu)) manh - canh tranh va nhung phuong pham hanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) manh - canh tranh va nhung phuong pham hanh cac.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (toc thieu)) manh - canh tranh va nhung phuong pham hanh cac*.