Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"hieu cua java snippets" » "hieu qua java snippets", "dieu cua java snippets", "bieu cua java snippets", "hieu cua java 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: (((("hieu cua java snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu cua java snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu cua java snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu cua java snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.