Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu danh co snippets" » "chuc danh co snippets", "chu manh co snippets", "chu dinh co snippets", "chu danh cho snippets", "chu doanh co snippets", "chu anh co 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: (((("chu danh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu danh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu danh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu danh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.