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