Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code slippers" » "using data code slippers"
"tan van php snippets" » "tran van php snippets", "tang van php snippets", "luan van php snippets", "tan van phap snippets", "tan van phu snippets", "tan van phan 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: (((("using java code slippers") OR ("tan van php snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code slippers ) or ( tan van php snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code slippers") or ("tan van php snippets"))) or ("locating bugs code snippets"))*.