Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"do moi cac snippets" » "do moi code snippets", "do voi cac snippets", "do hoi cac snippets", "do mo cac snippets", "doi moi cac 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 moi cac 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 moi cac snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( do moi cac snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do moi cac snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.