Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh trinh » canh tranh, canh tinh, anh trinh
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
luan dinh » xuan dinh, luan kinh, luan danh
dinh cong » dinh cuong, dinh hong, dinh long
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((canh trinh) OR (hanh trinh)) luan dinh cong dan toan cau~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((canh trinh) OR (hanh trinh)) luan dinh cong dan toan cau*.