Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat nhoa co snippets" » "nhat hoa co snippets", "nha khoa co snippets", "nhan khoa co snippets", "nhat khoa co snippets", "nhat nha 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: (((("nhat nhoa 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: (((("nhat nhoa co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat nhoa co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat nhoa co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.