Perhaps you should try some spelling variations:
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets", "python using data slippers"
"doc hieu dat snippets" » "toc thieu dat snippets", "hoc thieu dat snippets", "hoc hien dat snippets", "doc bieu dat snippets", "doc hieu bat snippets", "doc hieu dac snippets", "doc hieu dat slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 ("doc hieu dat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data snippets") OR ("doc hieu dat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using data snippets ) or ( doc hieu dat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") or ("doc hieu dat snippets"))) or ("locating bug code snippets"))*.