Perhaps you should try some spelling variations:
"toan tap trinh slippers" » "toan lap trinh slippers", "toan tap tinh slippers", "toan tao trinh slippers", "toan ban trinh slippers", "toan tap trinh slippery", "toan tap 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: (((("toan tap 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: (((("toan tap trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan tap trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan tap trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.