Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"van cua hon snippets" » "vang cua hon snippets", "ban cua hon snippets", "dan cua hon snippets", "van cua hoi snippets", "van cua hoc snippets", "van ca hon snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("van cua hon snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("van cua hon snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van cua hon snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van cua hon snippets"))) or ("locating bugs code snippets"))*.