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