Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"doi anh van slippers" » "doi hanh van slippers", "doi canh van slippers", "doi sanh van slippers", "doi anh va slippers", "doi thanh van slippers", "doi doanh van slippers", "doi anh van slippery", "doi anh van grippers"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("doi anh van slippers") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi anh van slippers") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( doi anh van slippers ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi anh van slippers") or ("python using java snippets"))) or ("locating bugs code snippets"))*.