Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho phat ca snippets" » "cho phan ca snippets", "co phan ca snippets", "dao phat ca snippets", "cho phat cua snippets", "cho pham ca snippets", "cho phat 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: (((("cho phat 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: (((("cho phat ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho phat ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho phat ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.