Perhaps you should try some spelling variations:
"trong duoc duoc slippers" » "trong cuoc duoc slippers", "trong nuoc duoc slippers", "trong doi duoc slippers", "trong duoc hoc slippers", "trong hoc duoc slippers", "trong soc duoc slippers", "trong duoc duoc slippery", "trong duoc duoc grippers"
"dung java java snippets" » "dung va java snippets"
"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 duoc duoc 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 duoc duoc slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong duoc duoc slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong duoc duoc slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.