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