Perhaps you should try some spelling variations:
"dusing java java snippets" » "using java java snippets"
"doi nhu java slippers" » "doi ngu java slippers", "doi thu java slippers", "do nhu java slippers", "doi nhan java slippers", "doi nhu java slippery", "doi nhu 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: (((("doi nhu 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: (((("doi nhu java slippers") OR ("dusing java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi nhu java slippers ) or ( dusing java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi nhu java slippers") or ("dusing java java snippets"))) or ("locating bug code snippets"))*.