Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than nui da snippets" » "than cui da snippets", "chan nuoi da snippets", "thanh qui da snippets", "than nuoi da snippets", "than noi da snippets", "than nuoi day 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 nui da 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 nui da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than nui da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than nui da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.