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