Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cao ca cao snippets" » "cao ca code snippets", "cao cap cao snippets", "cao va cao snippets", "cho ca cao snippets", "cao ca dao snippets", "cao cu cao snippets", "cao ca cac snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cao ca cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao ca cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cao ca cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao ca cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.