Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tuan anh cuc snippets" » "tuan anh duc snippets", "tuan anh cua snippets", "tuan canh chuc snippets", "quan anh cuc snippets", "tran anh cuc snippets", "luan anh cuc 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: (((("tuan anh cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tuan anh cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuan anh cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuan anh cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.