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