Perhaps you should try some spelling variations:
"trong toan tu slippers" » "truong toan tu slippers", "trong tan tu slippers", "trong hoan tu slippers", "trong toan du slippers", "trong tran tu slippers", "trong toan thuc slippers", "trong toan tu slippery", "trong toan tu 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 toan tu 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 toan tu slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong toan tu slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong toan tu slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.