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