Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
dan than » dan chan, ban than, van than
dan toan » van toan, manh toan, xuan toan

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 tranh cua nhung cong ((((dan than) or (dan toan))) or (dan gian)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh cua nhung cong ((((dan than) OR (dan toan))) OR (dan gian)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh cua nhung cong ((((dan than) or (dan toan))) or (dan gian)) ban*.