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