Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"using java java snippets" » "using data java snippets"
"phan kiem java snippets" » "phan kien java snippets", "phan mem java snippets", "van kiem java snippets", "phan kiem va 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 kiem java snippets") or ("using java java snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan kiem java snippets") OR ("using java java snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( phan kiem java snippets ) or ( using java java snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("phan kiem java snippets") or ("using java java snippets"))) or ("locating bug code slippers"))*.