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