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