Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"thuy thi java slippers" » "thuc thi java slippers", "thuy khi java slippers", "thuy chi java slippers", "thuy think java slippers", "thuy thi java slippery", "thuy thi 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: (((("thuy thi 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: (((("thuy thi java slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuy thi java slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuy thi java slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.