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