Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gioi qua cau snippets" » "gioi cua cau snippets", "nguoi qua cau snippets", "gioi tu cau snippets", "gioi quan cau snippets", "gioi qua cac snippets", "gioi qua ca 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: (((("gioi qua 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: (((("gioi qua cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gioi qua cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gioi qua cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.