Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cam tang cho snippets" » "cam nang cho snippets", "cao tang cho snippets", "ca tang cho snippets", "cam trang cho snippets", "cam sang cho snippets", "cam hang 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: (((("cam tang 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: (((("cam tang cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cam tang cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cam tang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.