Perhaps you should try some spelling variations:
"lanh trinh tu snippets" » "hanh trinh tu snippets", "anh trinh tu snippets", "lanh tranh tu snippets", "lanh trinh ky snippets", "lanh trinh do snippets", "lanh trinh tu 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: (((("lanh trinh tu snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lanh trinh tu snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lanh trinh tu snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lanh trinh tu snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.