Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam cong ve snippets" » "lam dong ve snippets", "dam cong ve snippets", "lam nong ve snippets", "lam cuong ve snippets", "lam cong va snippets", "lam long ve 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: (((("lam cong ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lam cong ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam cong ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam cong ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.