Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
canh manh » lanh manh, canh tranh, cach mang
hang cong » dang cong, hang nong, bang cong
chi xanh » chi anh, chi danh, chi hanh
manh cua » doanh cua, ban cua
doi chi » doi khi
ca tu » ca tru, cau tu, ca thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - canh manh cua ((nhung cong) or (hang cong)) dan ca tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - canh manh cua ((nhung cong) OR (hang cong)) dan ca tu.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - canh manh cua ((nhung cong) or (hang cong)) dan ca tu*.