Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua trinh co snippets" » "qua trinh co snippets", "cua tinh co snippets", "xuan trinh co snippets", "cua trinh do snippets", "cua trinh cong snippets", "cua trinh hoa 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: (((("cua trinh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua trinh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua trinh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua trinh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.