Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"van dan ho snippets" » "van ban ho snippets", "ban dan ho snippets", "van dao ho snippets", "van dan hoc snippets", "van dan hoi snippets", "van dan pho 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: (((("van dan ho snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( van dan ho snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van dan ho snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.