Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lich tong ca snippets" » "lich cong ca snippets", "lich khong ca snippets", "tich thong ca snippets", "lich trong ca snippets", "lich tong cac snippets", "lich tong cua 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: (((("lich tong ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lich tong ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lich tong ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lich tong ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.