Perhaps you should try some spelling variations:
phuong dong » phuong dung, phuong hoang, chuong duong
canh soanh » hanh doanh, oanh oanh
cua phuong » cuu phuong, cuc phuong, luan phuong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hoc hieu » hoc thieu, hoc hien, doc hieu
dong tan » duong tan, dong tai, dong san
chan dau » phan dau, han dau, chuan dao
doan » doanh, dan, toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - ((canh soanh) OR (canh tranh)) cua phuong dong tan ((chan dau) or (chan doan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((canh soanh) OR (canh tranh)) cua phuong dong tan ((chan dau) OR (chan doan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - ((canh soanh) OR (canh tranh)) cua phuong dong tan ((chan dau) or (chan doan))".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((canh soanh) OR (canh tranh)) cua phuong dong tan ((chan dau) or (chan doan))*.