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