Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu gian mot snippets" » "chu giai mot snippets", "chu giao mot snippets", "cho giang mot snippets", "chu gian o snippets", "chu gian co snippets", "chu gian dat 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: (((("chu gian mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu gian mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu gian mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu gian mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.