Perhaps you should try some spelling variations:
"cong trong thi slippers" » "cong thuong thi slippers", "cong trinh thi slippers", "dung trong thi slippers", "cong trong thoi slippers", "cong trong thu slippers", "cong trong tho slippers", "cong trong thi slippery", "cong trong thi 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: (((("cong trong thi slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong trong thi slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong trong thi slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong trong thi slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.