Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh hang » thanh hang, hang hang, hanh han
cua nhung » va nhung
thanh cau » thanh chau, thanh mau, nhanh cau
hang cua » mang cua, hang ca, huong cua
cong tan » cong tac, cong ty, cong ha
cong san » cong tac

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 hang cua nhung ((((cong tan) OR (cong thanh))) or (cong san)) thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh hang cua nhung ((((cong tan) OR (cong thanh))) OR (cong san)) thanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh hang cua nhung ((((cong tan) OR (cong thanh))) or (cong san)) thanh cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh hang cua nhung ((((cong tan) OR (cong thanh))) or (cong san)) thanh cau*.