Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam cua cham snippets" » "lam cua cha snippets", "lam qua cham snippets", "lam ca cham snippets", "nam cua cham snippets", "lam chat 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: (((("lam cua 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: (((("lam cua cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam cua cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam cua cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.