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