Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan ton cho snippets" » "phan tong cho snippets", "phan bon cho snippets", "phan tan cho snippets", "phan toan cho snippets", "phan ton kho snippets", "phan trong cho 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 ton cho 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 ton cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan ton cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan ton cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.