Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luong tu xe snippets" » "luong tai xe snippets", "luong thi xe snippets", "luong tin xe snippets", "luong thu xe snippets", "luong tu le snippets", "luong tu te 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: (((("luong tu xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luong tu xe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luong tu xe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong tu xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.