Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"moi cong cuc snippets" » "noi cong cuc snippets", "voi cong cuc snippets", "tai cong cuc snippets", "moi cong chuc snippets", "moi cong cuoc snippets", "moi cong cu 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: (((("moi cong cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("moi cong cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( moi cong cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi cong cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.