Perhaps you should try some spelling variations:
"hoi luan tranh slippers" » "hoi luan thanh slippers", "hoi lan tranh slippers", "hoi quan thanh slippers", "hoa luan tranh slippers", "hoc luan tranh slippers", "khoa luan tranh slippers", "hoi luan tranh slippery", "hoi luan tranh 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: (((("hoi luan tranh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi luan tranh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi luan tranh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi luan tranh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.