Perhaps you should try some spelling variations:
"tan sua trinh slippers" » "tan qua trinh slippers", "tan xuan trinh slippers", "tan quy trinh slippers", "ban sua trinh slippers", "tan cua trinh slippers", "tan su trinh slippers", "tan sua trinh slippery", "tan sua 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: (((("tan sua 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: (((("tan sua trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan sua trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan sua trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.