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