Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac pham cuc snippets" » "tac pham cuc snippets", "cac ham cuc snippets", "cac phan cuc snippets", "cac pham chuc snippets", "cac pham duc snippets", "cac pham 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: (((("cac pham 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: (((("cac pham cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac pham cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac pham cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.