Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu voi ca snippets" » "lieu boi ca snippets", "lieu va ca snippets", "lieu hoc ca snippets", "lieu voi cac snippets", "lieu voi can snippets", "lieu voi cay 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 ca 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 ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu voi ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu voi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.