Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac mo chon snippets" » "cac mo cho snippets", "cac mo phong snippets", "cac mon chon snippets", "cac moi chon snippets", "cac co chon 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 mo chon 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 mo chon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac mo chon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac mo chon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.