Perhaps you should try some spelling variations:
guan huai » kuan hua, yuan hua
yuan yan » yuan yang, yuan yuan, yuan ying
huai hui » hui hui, huan hui, hua hui
suan wen » san wen, yuan wen, juan wen
yan hui » yang hui, yuan hui, tan hui
dai tan » dai tang, dai tian, dai han
ji suan » ji xuan, ji yuan, ji quan
hui si » hui sin, hui ji, hui li
si dai » shi dai, li dai, yi dai
de ji » de yi, de li

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: (( yuan yan hui si dai tan wen da xi. ) OR ( guan huai hui de ji suan wen da xi. ))~.
• Adding a wildcard symbol may retrieve word variants: (( yuan yan hui si dai tan wen da xi. ) or ( guan huai hui de ji suan wen da xi. ))*.