Perhaps you should try some spelling variations:
"trong hoan dat slippers" » "trong hoat dat slippers", "trong doanh dat slippers", "thong hoang dat slippers", "trong hoang dat slippers", "trong hoa dat slippers", "trong hon dat slippers", "trong hoan dat slippery", "trong hoan dat 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 dat 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 dat slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trong hoan dat slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trong hoan dat slippers"))) or ("locating bug code snippets"))*.