Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoa dan bo snippets" » "hoa dan code snippets", "hoa dan bao snippets", "hoa dan bon snippets", "hoa can bo snippets", "khoa dan bo 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: (((("hoa dan bo snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoa dan bo snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoa dan bo snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoa dan bo snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.