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