Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh hang » thanh hang, hanh han, hanh mang
hang hang » nang hang, cang thang, hung thang
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
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.

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