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