Perhaps you should try some spelling variations:
"hoa cua trinh slippers" » "hoa qua trinh slippers", "hoa cua tinh slippers", "hoa xuan trinh slippers", "hoa chat trinh slippers", "hoa xuat trinh slippers", "hoa cua trinh slippery", "hoa cua 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: (((("hoa cua 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: (((("hoa cua trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoa cua trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoa cua trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.