Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri chat vo snippets" » "tra chat vo snippets", "trinh chat vo snippets", "tri nhan vo snippets", "tri chat va snippets", "tri chat co snippets", "tri chat bo 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: (((("tri chat vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tri chat vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri chat vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri chat vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.