Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat moi mo snippets" » "luat hoi mo snippets", "luat so mo snippets", "luat dai mo snippets", "luat moi co snippets", "luat mo mo snippets", "luat doi mo 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: (((("luat moi mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luat moi mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat moi mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat moi mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.