Perhaps you should try some spelling variations:
"dan cho trinh slippers" » "dan co trinh slippers", "dan tho trinh slippers", "dan cho sinh slippers", "danh cho trinh slippers", "san cho trinh slippers", "dac cho trinh slippers", "dan cho trinh slippery", "dan cho 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: (((("dan cho 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: (((("dan cho trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan cho trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan cho trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.