Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh ly dot snippets" » "trinh ky dot snippets", "trinh do dot snippets", "trinh tu dot snippets", "trinh ly do snippets", "trinh ly doi snippets", "trinh ly dat 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 ly dot 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 ly dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh ly dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh ly dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.