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