Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van ai dung slippers" » "van mai dung slippers", "van hai dung slippers", "van ap dung slippers", "van ai dung slippery", "van ai 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: (((("van ai 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: (((("van ai dung slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van ai dung slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van ai dung slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.