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