Perhaps you should try some spelling variations:
hanh hang » thanh hang, hang hang, hanh han
cong manh » duong manh, cong thanh, hoang manh
cong danh » cuong danh, cong dan, cong thanh
chi xanh » chi anh, chi danh, chieu xanh
chi hanh » chi nhanh, chi thanh, thi hanh
toan cau » toan cao, toan ban, toan tap
va dung » van dung, va duong, vat dung

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) or (chi hanh)) - hanh hang va dung ((cong manh) OR (cong danh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi hanh)) - hanh hang va dung ((cong manh) OR (cong danh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi xanh) or (chi hanh)) - hanh hang va dung ((cong manh) OR (cong danh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi hanh)) - hanh hang va dung ((cong manh) OR (cong danh)) toan cau*.