Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu pham chi snippets" » "cuu phat chi snippets", "cuu phan chi snippets", "cau pham chi snippets", "cuu pham thi snippets", "cuu tham chi snippets", "cuu pham chieu 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: (((("cuu pham chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuu pham chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu pham chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu pham chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.