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