Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"toc noi con snippets" » "hoc noi con snippets", "toc nguoi con snippets", "toeic noi con snippets", "toc noi cong snippets", "toc nuoi con snippets", "toc noi co 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: (((("python using data snippets") or ("toc noi con snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data snippets") OR ("toc noi con snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( python using data snippets ) or ( toc noi con snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") or ("toc noi con snippets"))) or ("locating bugs code snippets"))*.