Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than doc cuc snippets" » "than doc cuoc snippets", "than doc cua snippets", "than duoc cuoc snippets", "thanh doc cuc snippets", "phan doc cuc snippets", "tran doc cuc 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: (((("than doc cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than doc cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than doc cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than doc cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.