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, anh dung, hanh dong
luan cong » luat cong, luong cong, luan chung
cong cong » cong dong, trong cong, dung cong
trua cua » tru cua, trung cua, qua cua
tra cau » tra sau, ta cau, tra cuu

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 luan cong cong thanh ((tra cau) or (trua cua))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh dung luan cong cong thanh ((tra cau) OR (trua cua)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh dung luan cong cong thanh ((tra cau) or (trua cua))*.