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