Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac keo cho snippets" » "cac ke cho snippets", "cac ket cho snippets", "cac khoi cho snippets", "cac keo chi snippets", "cac khoe cho 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: (((("cac keo cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac keo cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac keo cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac keo cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.