Perhaps you should try some spelling variations:
cong thang » cong thanh, cang thang, cong thong
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh dinh » thanh dinh, hinh dinh, hanh tinh
cong tang » cong tan, cong vang, cong bang
cong lang » cong vang, cong luong, cong quang
cu nhung » cua nhung, tu nhung, co nhung
dinh cu » dinh cuu, dinh chuc, dinh chau
tan cau » toan cau, van cau, tan ca

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 dinh cu nhung ((((cong tang) OR (cong thang))) or (cong lang)) tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh dinh cu nhung ((((cong tang) OR (cong thang))) OR (cong lang)) tan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh dinh cu nhung ((((cong tang) OR (cong thang))) or (cong lang)) tan cau*".