Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu hap dan slippers" » "thu nhap dan slippers", "thu thap dan slippers", "thu ha dan slippers", "thu hat dan slippers", "thu hai dan slippers", "thu ham dan slippers", "thu hap dan slippery", "thu hap 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: (((("thu hap 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: (((("thu hap dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu hap dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu hap dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.