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