Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets"
"thi nao bo snippets" » "thi hao bo snippets", "thi bao bo snippets", "thi dao bo snippets", "thi nam bo snippets"
"locating bug code snippets" » "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: (((("thi nao bo snippets") or ("python missing data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi nao bo snippets") OR ("python missing data snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi nao bo snippets ) or ( python missing data snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi nao bo snippets") or ("python missing data snippets"))) or ("locating bug code snippets"))*.