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