Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu khoi can snippets" » "nhu khoi can snippets", "chua khoa can snippets", "chu khong can snippets", "chu khoa can snippets", "chu khoi nang snippets", "chu 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: (((("chu 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: (((("chu khoi can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu khoi can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu khoi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.