Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"niem tin cac snippets" » "niem ton cac snippets", "niem tinh cach snippets", "niem trinh cac snippets", "kiem tin cac snippets", "diem tin cac 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: (((("niem tin 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: (((("niem tin cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( niem tin cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("niem tin cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.