Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
canh soanh » canh tranh, hanh doanh, oanh oanh
khong cong » thong cong, khong cang, chong cong
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
soanh cua » doanh cua, manh cua, tranh cua
cua khong » hua khong, cua phuong, cua thuong
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 thieu manh - canh soanh cua khong cong thanh ((chan dau) or (chan doan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - canh soanh cua khong cong thanh ((chan dau) OR (chan doan)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - canh soanh cua khong cong thanh ((chan dau) or (chan doan))*.