Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hang hang » nang hang, cang thang, hung thang
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 thanh, cong ty
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 - hang hang cua nhung ((cong tan) or (cong san)) thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hang hang cua nhung ((cong tan) OR (cong san)) thanh cau*.