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