Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu bai son snippets" » "lieu tai son snippets", "lieu va son snippets", "lieu xay son snippets", "lieu bac son snippets", "lieu bai san snippets", "lieu dai son 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: (((("lieu bai son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu bai son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu bai son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu bai son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.