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