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