Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tim phan cac snippets" » "tin phan cac snippets", "diem phan cac snippets", "tich phan cac snippets", "tim nhan cach snippets", "tim phan dau snippets", "tim phan lap 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: (((("tim phan cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tim phan cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tim phan cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tim phan cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.