Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"van dau di snippets" » "van dao di snippets", "phan dau di snippets", "van da di snippets", "van dau da snippets", "van dau do snippets"

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: (((("python using java snippets") OR ("van dau di snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van dau di snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van dau di snippets"))) or ("locating bugs code snippets"))*.