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