Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tieu xanh » tieu danh, chieu xanh, dieu hanh
nhan nha » nhan ha, phan nha, nhan nhanh
nhan nho » nhan khoa, nhan nghe, nhan tao
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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 - thanh ((nhan nha) OR (nhan nho)) thong cong dan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh ((nhan nha) OR (nhan nho)) thong cong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh ((nhan nha) OR (nhan nho)) thong cong dan toan ban*.