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