Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac than so snippets" » "cac thanh so snippets", "cac nhan so snippets", "cac phan so snippets", "cac than sao snippets", "cac than vo snippets", "cac than go 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 than 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: (((("cac than so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac than so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac than so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.