Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lai chang o2 snippets" » "lai chau o2 snippets", "lai thanh o2 snippets", "dai thang o2 snippets", "lai hang o2 snippets", "lai chan o snippets", "lai chang ha 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: (((("lai chang o2 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lai chang o2 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lai chang o2 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lai chang o2 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.