Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trinh van » trinh han, trinh quan, trinh toan
van nhung » van nhuong, va nhung, van hung
dan toan » van toan, manh toan, dien toan
dan than » dan chan, ban than, van than

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