Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java snippets"
"hai cong tac snippets" » "thai cong tac snippets", "tai cong tac snippets", "hai long tac snippets", "hai cong ty snippets"

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 ("hai cong tac snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using raw java snippets") OR ("hai cong tac snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using raw java snippets ) or ( hai cong tac snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using raw java snippets") or ("hai cong tac snippets"))) or ("locating bug core snippets"))*.