Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets"
"thi con bo snippets" » "thi cong bo snippets", "thi mon bo snippets", "chi con bo snippets", "thi can bo snippets", "thi con co 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 con 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 con bo snippets") OR ("python missing data snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi con bo snippets ) or ( python missing data snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi con bo snippets") or ("python missing data snippets"))) or ("locating bug code snippets"))*.