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