Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi khang va slippers" » "doi hang va slippers", "doi thang va slippers", "doi khang a slippers", "doi khang va slippery", "doi khang va 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: (((("doi khang va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi khang va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi khang va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi khang va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.