Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap dau do snippets" » "cp dau do snippets", "cap da do snippets", "cap sau do snippets", "cap cau do snippets", "cap dau co snippets", "cap dao do 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: (((("cap dau do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cap dau do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap dau do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap dau do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.