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