Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong cuc che snippets" » "dong cuc code snippets", "dong luc che snippets", "dong cua che snippets", "tong cuc che snippets", "dong cuu che snippets", "dong cac che 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: (((("dong cuc che snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong cuc che snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong cuc che snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong cuc che snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.