Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong hay cu snippets" » "trong cay cu snippets", "trong hai cu snippets", "trong gay cu snippets", "trong hat cu snippets", "trong hay su 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: (((("trong hay cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong hay cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong hay cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong hay cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.