Perhaps you should try some spelling variations:
nano fang » nano range, fang fang, hao fang
guan hua » guan huai, guan huah, guang hua
shan wen » shang wen, san wen, han wen
dai tan » dai tang, dai tian, dai han
hua hui » chua hui, huan hui, phua hui
yi shan » yi sheng, hui shan, mei shan
yi dai » li dai, yi da, yi bai

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( ((nano fang) OR (nan fang)) hui yi dai tan wen da xi. ) or ( guan hua hui de yi shan wen da xi. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((nano fang) OR (nan fang)) hui yi dai tan wen da xi. ) OR ( guan hua hui de yi shan wen da xi. ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((nano fang) OR (nan fang)) hui yi dai tan wen da xi. ) or ( guan hua hui de yi shan wen da xi. ))*".