Perhaps you should try some spelling variations:
quan thong » quang thong, quan trong, xuan thong
thong cong » trong cong, tong cong, thong thong
hanh dung » thanh dung, anh dung, hanh dong
dung quan » dung quang, dung luan, luong quan
chu xanh » chieu xanh, chua xang, chuc danh
chu manh » ho manh, chu han, thu minh
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap
chu van » cuu van, chu han

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (((chu manh) OR (chu van)))) - hanh dung quan thong cong san toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) or (((chu manh) OR (chu van)))) - hanh dung quan thong cong san toan cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (((chu manh) OR (chu van)))) - hanh dung quan thong cong san toan cau*.