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