Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hanh tu cao snippets" » "hanh tu code snippets", "anh tu cao snippets", "danh tu cao snippets", "hanh cu cao snippets", "hanh tu cac snippets", "hanh vu cao 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: (((("hanh tu cao snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh tu cao snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hanh tu cao snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh tu cao snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.