Perhaps you should try some spelling variations:
"dang tieu trinh slippers" » "dang tien trinh slippers", "dang tien thinh slippers", "dang trieu tinh slippers", "dang dieu trinh slippers", "dung tieu trinh slippers", "hang tieu trinh slippers", "dang tieu trinh slippery", "dang tieu trinh 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: (((("dang tieu trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang tieu trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang tieu trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang tieu trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.