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