Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using va chu snippets" » "using va code snippets", "using a chu snippets", "using java chu snippets", "using raw chu snippets", "using va che snippets", "using va cau snippets", "using va chi snippets"
"dung java java snippets" » "dung va java 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 va chu snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using va chu snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using va chu snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using va chu snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.