Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam banh con snippets" » "lam ban con snippets", "lam lanh con snippets", "pham banh con snippets", "lam bang cong snippets", "lam hanh cong snippets", "lam lanh cong 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 banh con 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 banh con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam banh con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam banh con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.