Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc ha cua snippets" » "duc hau cua snippets", "duc hoa cua snippets", "duc va cua snippets", "duc hai cua snippets", "duc nha 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 ha cua 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 ha cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc ha cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc ha cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.