Perhaps you should try some spelling variations:
skeletal structure » skeletal structures
structure analysis » structural analysis
like skeletal » liver skeletal, like skeleton, size skeletal
same argument » some arguments, slope argument, case arguments
argument cost » argument count, argument code, arguments frost
cost analysis » content analysis

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: (( like skeletal structure analysis ) OR ( same argument cost analysis ))*.