Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac mang cu snippets" » "cach mang cu snippets", "cac dang cu snippets", "cac bang cu snippets", "cac mang cua snippets", "cac mang co snippets", "cac mang cung 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 mang cu 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 mang cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac mang cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac mang cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.