Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"tien thu java slippers" » "tieu thu java slippers", "kien thuc java slippers", "trien thi java slippers", "tien ngu java slippers", "tien thu va slippers", "tien thu java slippery", "tien thu 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: (((("tien thu 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: (((("tien thu java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tien thu java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tien thu java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.