Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chua cau mot snippets" » "chua cu mot snippets", "chua dau mot snippets", "cua cau mot snippets", "chua cuu mot snippets", "chua chua mot 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: (((("chua cau mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chua cau mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chua cau mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chua cau mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.