Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bach cao so snippets" » "bac cao so snippets", "bach cau so snippets", "bach mao so snippets", "bach cao son snippets", "bach co so snippets", "bach cao su 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: (((("bach cao so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bach cao so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bach cao so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bach cao so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.