Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh nam di snippets" » "trinh ngam di snippets", "tinh nam di snippets", "trinh tam di snippets", "trinh nam doi snippets", "trinh nam da snippets", "trinh nam do 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 nam di 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 nam di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh nam di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh nam di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.