Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc lam chan snippets" » "luc cam chan snippets", "luc lam chat snippets", "luc lam cha snippets", "luc luan chan snippets", "duoc lam chan 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 lam chan 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 lam chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc lam chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc lam chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.