Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using java va snippets" » "using data va snippets", "using java java snippets", "using java can snippets", "using java va slippers"
"van luong code snippets" » "van luong cong snippets", "van luong che snippets", "van duong code snippets", "van cuong code snippets", "nang luong code snippets", "van luong code slippers"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java va snippets") or ("van luong code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java va snippets") OR ("van luong code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java va snippets ) or ( van luong code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java va snippets") or ("van luong code snippets"))) or ("locating bugs code snippets"))*.