Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan tu chiu snippets" » "dan tu code snippets", "dan tu chu snippets", "danh tu chiu snippets", "dan su chiu snippets", "ban tu chiu snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data 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: (((("dan tu chiu snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan tu chiu snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan tu chiu snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan tu chiu snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.