Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh manh » lanh manh, hoang manh, thanh minh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua thong » cua thuong, cua khong, cua tong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan tap » toan 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 - ((hanh manh) or (hanh mang)) cua thong ((cong dan) OR (cong san)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh manh) OR (hanh mang)) cua thong ((cong dan) OR (cong san)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((hanh manh) or (hanh mang)) cua thong ((cong dan) OR (cong san)) toan tap".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh manh) or (hanh mang)) cua thong ((cong dan) OR (cong san)) toan tap*.