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