Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"change am ca snippets" » "change a ca snippets", "change _ ca snippets", "chang ama ca snippets", "change am cat snippets", "change nam ca snippets", "change am ma snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("change am ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("change am ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( change am ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("change am ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.