Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan trinh mo snippets" » "lap trinh mo snippets", "dan trinh mo snippets", "lan tranh mo snippets", "lan trinh do snippets", "lan trinh co snippets", "lan trinh hoa 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: (((("lan trinh 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: (((("lan trinh mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan trinh mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan trinh mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.