Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh thanh » canh tranh, danh thanh, anh thanh
hoc thieu » toc thieu, hoc hien
thanh ban » thanh san, thanh van, thanh bac
ban dang » ban hang, ban dan, van dang
cong van » cong vang, song van, cong tan
cong san » cong tac
toan cau » toan cao, toan ban, toan tap

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 xanh - canh thanh ban dang ((cong van) OR (cong san)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh thanh ban dang ((cong van) OR (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh thanh ban dang ((cong van) OR (cong san)) toan cau*.