Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » hanh trinh, hanh trang, lanh tranh
hoc thieu » toc thieu, hoc hien
cong tung » cong dung, cong hung, cong tang
tung dan » dung dan, huong dan, trung dai
dan toan » van toan, dan than, manh toan
toan ban » van ban

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) OR (canh tranh)) cua cong tung dan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((hanh tranh) OR (canh tranh)) cua cong tung dan toan ban*".