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