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