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