Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cuon danh o snippets" » "cuon danh code snippets", "cuong danh o snippets", "cuoi dan o snippets", "cuon sach o snippets", "cuon danh co snippets", "cuon dinh o snippets", "cuon danh cho 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: (((("cuon danh o snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuon danh o snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cuon danh o snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuon danh o snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.