Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam tinh dh snippets" » "may tinh dh snippets", "ha tinh dh snippets", "ban tinh dh snippets", "lam tinh da snippets", "lam sinh dh snippets", "lam tinh do 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: (((("lam tinh dh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lam tinh dh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam tinh dh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam tinh dh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.