Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan che chu snippets" » "han che chu snippets", "phap che chu snippets", "phan thi chu snippets", "phan cho chu snippets", "phan che phu snippets", "phan chao chu 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 che chu 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 che chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan che chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan che chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.