Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"doi ca duc snippets" » "doi cua duc snippets", "doi cay duc snippets", "duoi ca duc snippets", "doi cao duc snippets", "doi ca dua snippets", "doi ca duc slippers"

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

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