Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong thi cuc snippets" » "dong thi code snippets", "duong thi cuc snippets", "dang thi cuc snippets", "dong tai cuc 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 thi cuc 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 thi cuc snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong thi cuc snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong thi cuc snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.