Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"tan van duc slippers" » "tran van duc slippers", "tang van duc slippers", "luan van duc slippers", "tan van duy slippers", "tan van du slippers", "tan tran duc slippers", "tan van duc slippery", "tan van duc grippers"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs 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 ("tan van duc slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tan van duc slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tan van duc slippers"))) or ("locating bug code snippets"))*.