Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"can doc trinh snippets" » "can doc tinh snippets", "can doi trinh snippets", "can hoc trinh snippets", "nang doc trinh snippets", "than doc trinh snippets", "can dong trinh snippets"
"locating bug core snippets" » "locating bug code snippets"

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 code snippets") OR ("can doc trinh snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( can doc trinh snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("can doc trinh snippets"))) or ("locating bug core snippets"))*.