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 anh snippets" » "doi cua anh snippets", "doi cay anh snippets", "duoi ca anh snippets", "doi cao anh snippets", "doi ha anh snippets", "doi co anh snippets", "doi ca anh 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 anh snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( doi ca anh snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("doi ca anh snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.