Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh mang
theo chu » theo chieu, cho chu, theo yeu
chao chu » cho chu, cua chu, cao cho
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.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chu) OR (chao chu)) xanh - ((hanh tang) or (canh tranh)) luan nhung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (chao chu)) xanh - ((hanh tang) OR (canh tranh)) luan nhung cong dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) OR (chao chu)) xanh - ((hanh tang) or (canh tranh)) luan nhung cong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) OR (chao chu)) xanh - ((hanh tang) or (canh tranh)) luan nhung cong dan toan cau*.