Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu voi bo snippets" » "lieu boi bo snippets", "lieu va bo snippets", "lieu hoc bo snippets", "lieu noi bo snippets", "lieu doi bo snippets", "lieu voi ho 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: (((("lieu voi bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu voi bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu voi bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu voi bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.