Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java snippets", "using raw java slippers"
"le tang code snippets" » "le tang co snippets", "le quang code snippets", "le trung code snippets", "le thanh code snippets", "le tang 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 raw java snippets") or ("le tang code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using raw java snippets") OR ("le tang code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using raw java snippets ) or ( le tang code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using raw java snippets") or ("le tang code snippets"))) or ("locating bugs code snippets"))*.