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