Perhaps you should try some spelling variations:
"trong cot theo slippers" » "tong cot theo slippers", "trong co theo slippers", "trong mot theo slippers", "trong cot thep slippers", "trong cuon theo slippers", "trong cau theo slippers", "trong cot theo slippery", "trong cot theo 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 cot theo 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 cot theo slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong cot theo slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong cot theo slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.