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 do hai snippets" » "van dao hai snippets", "van de hai snippets", "van du hai snippets", "van do thai snippets", "van doc hai snippets", "van do dai snippets", "van do hai 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 do hai snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( van do hai snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van do hai snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.