Perhaps you should try some spelling variations:
"anh hoc trinh slippers" » "anh doc trinh slippers", "anh hoc tinh slippers", "anh hoc sinh slippers", "sinh hoc trinh slippers", "benh hoc trinh slippers", "hinh hoc trinh slippers", "anh hoc trinh slippery", "anh hoc 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: (((("anh hoc 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: (((("anh hoc trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh hoc trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh hoc trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.