Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xin can chi snippets" » "xin chan chi snippets", "minh can chi snippets", "xuan can chi snippets", "xin can thi snippets", "xin van chi snippets", "xin san 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 can 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 can chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xin can chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xin can chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.