Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung thi vat slippers" » "dung tai vat slippers", "dung tri vat slippers", "dung chi vat slippers", "dung thai vat slippers", "dung thi van slippers", "dung phi vat slippers", "dung thi vat slippery", "dung thi vat 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 thi vat 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 thi vat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung thi vat slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung thi vat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.