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