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