Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh dung » thanh dung, hanh dong, manh dung
luan dong » luan cong, quan dong, luan nong
dong cong » duong cong, dung cong, dang cong
anh dung » anh dong, anh huong, sach dung
tra cau » tra sau, ta cau, toan cau
tra cuu » trau cua, trua cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - ((hanh dung) OR (anh dung)) luan dong cong thanh ((tra cau) or (tra cuu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh dung) OR (anh dung)) luan dong cong thanh ((tra cau) OR (tra cuu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((hanh dung) OR (anh dung)) luan dong cong thanh ((tra cau) or (tra cuu))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh dung) OR (anh dung)) luan dong cong thanh ((tra cau) or (tra cuu))*.