Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung lao van slippers" » "dung lam van slippers", "dung bao van slippers", "dung lai van slippers", "dung dao van slippers", "dung cao van slippers", "dung lo van slippers", "dung lao van slippery", "dung lao van 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: (((("dung lao van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung lao van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung lao van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung lao van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.