Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tong cua cho snippets" » "thong cua cho snippets", "trong cua cho snippets", "tuong cua cho snippets", "tong cua chu snippets", "tong cua co snippets", "tong cua cha 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: (((("tong cua 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: (((("tong cua cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tong cua cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tong cua cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.