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