Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"len choi cay snippets" » "len thoi cay snippets", "len troi cay snippets", "ben chi cay snippets", "len cho cay snippets", "len phoi cay snippets", "len cho 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: (((("len choi cay 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 choi cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( len choi cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("len choi cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.