Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java slippers" » "using data java slippers", "using java java slippery", "using java java grippers"
"van dau java snippets" » "van dau va snippets", "van ngu java snippets", "van dao java snippets", "phan dau java 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 dau java snippets") OR ("using java java slippers"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( van dau java snippets ) or ( using java java slippers ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van dau java snippets") or ("using java java slippers"))) or ("locating bugs code snippets"))*.