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