Perhaps you should try some spelling variations:
"huong thi phi slippers" » "luong thi phi slippers", "duong thi phi slippers", "vuong thi phi slippers", "huong chi phi slippers", "huong phi phi slippers", "huong thi phu slippers", "huong thi phi slippery", "huong thi phi 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 thi phi 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 thi phi slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huong thi phi slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huong thi phi slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.