Perhaps you should try some spelling variations:
canh manh » lanh manh, canh tranh, cach mang
khoan cam » khoa cam, khoan va, phan cam
chi sang » chi lang, chieu sang, chi chang
cua hang » cua dang, cua nhung, cua ban
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac
doi chi » doi khi

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 sang - canh manh ((cua hang) or (cua cong)) cong san ((khoan cam) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sang - canh manh ((cua hang) OR (cua cong)) cong san ((khoan cam) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: doi chi sang - canh manh ((cua hang) or (cua cong)) cong san ((khoan cam) or (than cap))*.