Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gioi han cac snippets" » "gioi hanh cac snippets", "gioi van cac snippets", "giai han cac snippets", "gioi phan cac snippets", "gioi hang cac 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 han cac 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 han cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gioi han cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gioi han cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.