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