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