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