Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan my ca snippets" » "toan may ca snippets", "toan ly ca snippets", "toan ky ca snippets", "toan my cua snippets", "toan my ha 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: (((("toan my ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan my ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan my ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan my ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.