Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc thai cuc snippets" » "duc hai cuc snippets", "duc thah cuc snippets", "duc tham cuc snippets", "duc tai cuc snippets", "duc thi cuc snippets", "duc thai cua 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: (((("duc thai cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc thai cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc thai cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc thai cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.