Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"trong do danh slippers" » "trong doi danh slippers", "trong dao danh slippers", "trong co danh slippers", "trong do dinh slippers", "trong do sanh slippers", "trong dia danh slippers", "trong do danh slippery", "trong do danh 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: (((("trong do danh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong do danh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong do danh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong do danh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.