Perhaps you should try some spelling variations:
"trong cau theo slippers" » "trong cac theo slippers", "trong ca theo slippers", "thong cau theo slippers", "trong cau thi slippers", "trong cau tao slippers", "trong cau theo slippery", "trong cau 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 cau 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 cau theo slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong cau theo slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong cau theo slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.