Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hop thu dau snippets" » "ho thu dau snippets", "phap thu dau snippets", "hoai thu dau snippets", "hop thau dau snippets", "hop tu dau snippets", "hop phu dau snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("hop thu dau snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hop thu dau snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hop thu dau snippets"))) or ("locating bug core snippets"))*.