Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cost hat chi snippets" » "cot hat chi snippets", "co hat chi snippets", "cong hat chi snippets", "cost hai chi snippets", "cost chat cho snippets", "cost hat chau 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: (((("cost hat chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cost hat chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cost hat chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cost hat chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.