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