Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doan cac van slippers" » "dan cac van slippers", "doan cap van slippers", "doan khac van slippers", "doan cac dan slippers", "doan cac van slippery", "doan cac 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: (((("doan cac 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: (((("doan cac van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doan cac van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan cac van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.