Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sat cao so snippets" » "suat cao so snippets", "sat cac so snippets", "chat cao so snippets", "sat cao son snippets", "sat co so snippets", "sat 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: (((("sat 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: (((("sat cao so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sat cao so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sat cao so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.