Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung chi 26 slippers" » "dung cho 26 slippers", "dung thi 26 slippers", "dung chien 26 slippers", "dung chi 2016 slippers", "dung chi 26 slippery", "dung chi 26 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 chi 26 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 chi 26 slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung chi 26 slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung chi 26 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.