Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"len tinh te snippets" » "yen tinh te snippets", "den tinh te snippets", "bien tinh te snippets", "len kinh te snippets", "len tinh tu snippets", "len tinh he 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: (((("len tinh te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("len tinh te snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( len tinh te snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("len tinh te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.