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