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