Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu tra cau snippets" » "cau tra cau snippets", "chu ra cau snippets", "chu tri cau snippets", "chu tra sau snippets", "chu ta cau snippets", "chu tra cuu 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 tra cau 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 tra cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu tra cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu tra cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.