Perhaps you should try some spelling variations:
"hang tieu trinh slippers" » "hang tien trinh slippers", "hang tien thinh slippers", "hang trieu tinh slippers", "hoang trieu trinh slippers", "thang tien trinh slippers", "thong tieu trinh slippers", "hang tieu trinh slippery", "hang 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: (((("hang 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: (((("hang tieu trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang tieu trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang tieu trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.