Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"van phap chat snippets" » "van phap phat snippets", "van phap luat snippets", "van phap phan snippets", "ban phap chat snippets", "va phap chat snippets", "van phan chat snippets"
"locating bug core snippets" » "locating bug code 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 snippets") OR ("van phap chat snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( van phap chat snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("van phap chat snippets"))) or ("locating bug core snippets"))*.