Perhaps you should try some spelling variations:
"trong hoan nhap slippers" » "trong hoat nhap slippers", "trong doanh nhap slippers", "thong hoang nhap slippers", "trong hoa nhap slippers", "trong hoang nham slippers", "trong hoang nhan slippers", "trong hoan nhap slippery", "trong hoan nhap 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: (((("dung java java snippets") or ("trong hoan nhap slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("trong hoan nhap slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trong hoan nhap slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trong hoan nhap slippers"))) or ("locating bug code snippets"))*.