Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chon gioi da snippets" » "chon giai da snippets", "hon gioi da snippets", "chon nguoi da snippets", "chon gioi du snippets", "chon gioi ha snippets", "chon gioi va 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: (((("chon gioi da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chon gioi da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chon gioi da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chon gioi da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.