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