Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van he than slippers" » "van he thong slippers", "van le thanh slippers", "van de thanh slippers", "van hoe than slippers", "van hue than slippers", "van de than slippers", "van he than slippery", "van he than grippers"
"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: (((("van he than slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van he than slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van he than slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van he than slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.