Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh hang » thanh hang, hang hang, hanh han
nang hang » nang sang, hang hang, lang thang
ban huong » bang phuong, ban hang, anh huong
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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