Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"may van con snippets" » "may san con snippets", "may va con snippets", "ma van con snippets", "may van cong snippets", "may van bon snippets", "may van co 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: (((("may van con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("may van con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may van con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may van con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.