Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi dan cac snippets" » "thoai dan cac snippets", "hoi dan cac snippets", "thoi dai cac snippets", "thoi dan cach snippets", "thoi dang cac snippets", "thoi dan 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: (((("thoi dan 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: (((("thoi dan cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi dan cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi dan cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.