Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
tranh qua » tranh cua, thanh qua, trinh qua
dung cong » dung trong
manh toan » thanh toan, anh tuan
qua dung » quang dung, su dung, qua song
dan toan » van toan, dan than, 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 - hanh tranh qua dung cong ((dan toan) or (((manh toan) OR (tinh toan)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh tranh qua dung cong ((dan toan) OR (((manh toan) OR (tinh toan)))) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh tranh qua dung cong ((dan toan) or (((manh toan) OR (tinh toan)))) cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh tranh qua dung cong ((dan toan) or (((manh toan) OR (tinh toan)))) cau*.