Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac hoc chat snippets" » "tac hoc phat snippets", "tac hoc cao snippets", "tac hoc phan snippets", "trac hoc chat snippets", "toc hoc chat snippets", "bac hoc chat 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: (((("tac hoc chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tac hoc chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac hoc chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac hoc chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.