Perhaps you should try some spelling variations:
"lang xuan trinh slippers" » "lang qua trinh slippers", "lang xuan dinh slippers", "lang xuan kinh slippers", "dang xuan trinh slippers", "lanh xuan trinh slippers", "nang xuan trinh slippers", "lang xuan trinh slippery", "lang xuan 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: (((("dung java java snippets") or ("lang xuan trinh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("lang xuan trinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( lang xuan trinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("lang xuan trinh slippers"))) or ("locating bug code snippets"))*.