Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
chi xanh » chi anh, chi danh, chi hanh
cong ban » cong bang, cong san, cong tan
ban toan » bai toan, ban than, van toan
toan cau » toan cao, toan ban, toan tap
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 xanh - ((canh tranh) OR (thanh trung)) va nhung cong ban toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - ((canh tranh) OR (thanh trung)) va nhung cong ban toan cau*".