Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian cao chu snippets" » "gian cac chu snippets", "gian co chu snippets", "gian cam chu snippets", "gian chao chu snippets", "gian cao cho snippets", "gian cho 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: (((("gian cao 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: (((("gian cao chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian cao chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian cao chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.