Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xin con chi snippets" » "xon con chi snippets", "gian con chi snippets", "sinh con chi snippets", "xin con chim snippets", "xin cong chi snippets", "xin can 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 con 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 con chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xin con chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xin con chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.