Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho danh tot snippets" » "khao danh tot snippets", "khop danh tot snippets", "kho canh tot snippets", "kho hanh tot snippets", "kho danh tu snippets", "kho danh bat 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: (((("kho danh tot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho danh tot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho danh tot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho danh tot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.