Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"dinh duc java slippers" » "minh duc java slippers", "ninh duc java slippers", "tinh duc java slippers", "dinh duc va slippers", "dinh duc java slippery", "dinh duc 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: (((("dinh duc 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: (((("dinh duc java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh duc java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh duc java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.