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