Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung deu hanh slippers" » "dung de hanh slippers", "dung du hanh slippers", "dung dau hanh slippers", "dung dieu hanh slippers", "dung den hanh slippers", "dung deu hanh slippery", "dung deu hanh 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 deu hanh 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 deu hanh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung deu hanh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung deu hanh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.