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