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