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