Perhaps you should try some spelling variations:
"dusing java java snippets" » "using java java snippets"
"ban kem java slippers" » "banh kem java slippers", "ban ke java slippers", "hanh kem java slippers", "ban kem java slippery", "ban kem 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: (((("ban kem java slippers") or ("dusing java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban kem java slippers") OR ("dusing java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban kem java slippers ) or ( dusing java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban kem java slippers") or ("dusing java java snippets"))) or ("locating bug code snippets"))*.