Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan anh bo snippets" » "pham anh bo snippets", "phan thanh bo snippets", "phan dang bo snippets", "phan anh co snippets", "phan anh so snippets", "phan anh buoc 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: (((("phan anh bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan anh bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan anh bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan anh bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.