Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dua voi dat slippers" » "da voi dat slippers", "dua moi dat slippers", "sua voi dat slippers", "dua hoi dat slippers", "dua noi dat slippers", "dua voi dac slippers", "dua voi dat slippery", "dua voi dat 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: (((("dua voi dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dua voi dat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dua voi dat slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dua voi dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.