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