Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao dien cac snippets" » "giao dien cac snippets", "nhan dien cac snippets", "nano dieu cac snippets", "nao vien cac snippets", "nao dien cuc snippets", "nao dien sach 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: (((("nao dien cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nao dien cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nao dien cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao dien cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.