Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc gia can snippets" » "luoc gia can snippets", "duc gia can snippets", "quoc gia can snippets", "luc gia cam snippets", "luc gia cat snippets", "luc gia ca 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 gia can 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 gia can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc gia can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc gia can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.