Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh vi can snippets" » "trinh va can snippets", "trinh ve can snippets", "trinh viet can snippets", "trinh voi can snippets", "trinh vi van snippets", "trinh i can 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: (((("trinh vi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh vi can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh vi can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh vi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.