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