Perhaps you should try some spelling variations:
"data using java slippers" » "data using data slippers", "data using java slippery", "data using java grippers"
"dung dat tran snippets" » "dung va tran snippets", "dung tai tran snippets", "dung dat tren snippets", "dung dang tran snippets", "dung dat trong snippets"
"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: (((("data using java slippers") or ("dung dat tran snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data using java slippers") OR ("dung dat tran snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( data using java slippers ) or ( dung dat tran snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data using java slippers") or ("dung dat tran snippets"))) or ("locating bug code snippets"))*.