Perhaps you should try some spelling variations:
hanh dang » hanh dong, hanh dung, hanh mang
qua trong » quan trong, qua trinh, qua song
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
anh dang » anh dong, anh dung, anh bang
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 xanh - ((hanh dang) or (anh dang)) qua trong cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((hanh dang) OR (anh dang)) qua trong cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((hanh dang) or (anh dang)) qua trong cong dan toan cau*.