Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi uu cho snippets" » "toi uu cho snippets", "thoi su cho snippets", "thoi rua cho snippets", "thoi cu cho snippets", "thoi vu cho snippets", "thoi zu cho 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: (((("thoi uu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thoi uu cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi uu cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi uu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.