Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"cac cong data snippets" » "cac dong dat snippets", "cac cong dan snippets", "cac cong danh snippets", "cua cong data snippets", "cac cong data slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cac cong data snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac cong data snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac cong data snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac cong data snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.