Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thien danh » thien anh, thien dang, thien thanh
thanh hung » thanh huong, thanh tung, thanh trung
tuan thang » xuan thang, toan thang, tran thang
hung tuan » hung tran, quang tuan, trung tuan
long span » cong san, dong san, nong san
thanh hoa » thanh pho
long san » luong san, cong san, dong san

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (thien danh)) - thanh hung tuan thang ((long san) OR (long span)) thanh hoa~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien danh)) - thanh hung tuan thang ((long san) OR (long span)) thanh hoa.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien danh)) - thanh hung tuan thang ((long san) OR (long span)) thanh hoa".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien danh)) - thanh hung tuan thang ((long san) OR (long span)) thanh hoa*.