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