Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than tuc cua snippets" » "thai tuc cua snippets", "than duc cua snippets", "than luc cua snippets", "than thuc cua snippets", "than tac 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: (((("than tuc cua 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 tuc cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than tuc cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than tuc cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.