Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using java java snippets" » "using data java snippets", "using java java slippers"
"van tuan vi snippets" » "van quan vi snippets", "van ban vi snippets", "anh tuan vi snippets", "van luan vi snippets", "van quans vi snippets", "van tuan vi slippers"

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