Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"data va du snippets" » "dat va du snippets", "data a du snippets", "data v0 du snippets", "data va dau snippets", "data va su snippets", "data va tu 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: (((("data va du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data va du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( data va du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data va du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.