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"
"van toan 2 snippets" » "van tuan 2 snippets", "van tan 2 snippets", "van thanh 2 snippets", "van toan _ snippets", "van toan 4 snippets", "van toan o snippets", "van toan 2 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: (((("van toan 2 snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( van toan 2 snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van toan 2 snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.