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