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