Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
trinh han » trinh quan
han thong » han thuong, hang thong, nhan thong
dan toan » van toan, manh toan, xuan toan
dan than » ban than, van than, dang thanh
dan chan » dan gian, dan ca, van chat

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