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