Perhaps you should try some spelling variations:
canh soanh » canh tranh, hanh doanh, oanh oanh
khong cong » thong cong, khong cang, chong cong
soanh cua » doanh cua, manh cua, tranh cua
cua khong » hua khong, cua phuong, cua thuong
hoc hieu » hoc thieu, hoc hien, hoc dieu
doc hieu » toc thieu, hoc thieu, hoc hien
phan dau » phan tu, hang dau
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) OR (doc hieu)) manh - canh soanh cua khong cong ty ((phan dau) or (chan doan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hieu) OR (doc hieu)) manh - canh soanh cua khong cong ty ((phan dau) OR (chan doan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hieu) OR (doc hieu)) manh - canh soanh cua khong cong ty ((phan dau) or (chan doan))".
• Adding a wildcard symbol may retrieve word variants: ((hoc hieu) OR (doc hieu)) manh - canh soanh cua khong cong ty ((phan dau) or (chan doan))*.