Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri chat so snippets" » "tra chat so snippets", "trinh chat so snippets", "tri nhan so snippets", "tri nhat so 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 so 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 so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri chat so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri chat so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.