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