Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban khoi can snippets" » "ban khi can snippets", "ban thoi can snippets", "van khoi can snippets", "ban khoa can snippets", "ban khoi nang snippets", "ban hoc can 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: (((("ban khoi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban khoi can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban khoi can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban khoi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.