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