Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc chua xe snippets" » "luc cua xe snippets", "truc chua xe snippets", "sua chua xe snippets", "luc chua xi snippets", "luc chuan he snippets", "luc chuan ve 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: (((("luc chua 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: (((("luc chua xe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc chua xe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc chua xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.