Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ghi chep cho snippets" » "ghi chu cho snippets", "ghi thep cho snippets", "ghi chep khoa snippets", "ghi cap 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: (((("ghi chep 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: (((("ghi chep cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ghi chep cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ghi chep cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.