Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gen cua moi snippets" » "gian cua moi snippets", "menh cua moi snippets", "benh cua moi snippets", "gen cua mot snippets", "gen cua hoi 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: (((("gen cua moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gen cua moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gen cua moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gen cua moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.