Perhaps you should try some spelling variations:
"lochating bug code snippets" » "locating bug code snippets", "lochating bug core snippets"
"python using java snippets" » "python using data snippets"
"phap hoc do snippets" » "phap hoan do snippets", "phap mo do snippets", "phap han do snippets", "phap hoc doi snippets", "phap hoc co snippets", "phap hoc bo snippets"

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

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