Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"quoc suu java slippers" » "quoc su java slippers", "quoc sieu java slippers", "duoc sua java slippers", "quoc ngu java slippers", "quoc suu java slippery", "quoc suu 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: (((("quoc suu 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: (((("quoc suu java slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quoc suu java slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc suu java slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.