Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thien danh » thien anh, thien dang, thien thanh
cach dung » sach dung, cach mang, anh dung
dung cong » dung trong
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
tac dung » sach dung, xay dung, tin dung
cua dung » cua dang, cua dong, qua dung
phan cau » phan dau, phan cac, phan tu

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: hoc ((thieu xanh) OR (thien danh)) - ((cach dung) OR (tac dung)) cua dung cong doan phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien danh)) - ((cach dung) OR (tac dung)) cua dung cong doan phan cau~".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien danh)) - ((cach dung) OR (tac dung)) cua dung cong doan phan cau*.