Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"missing java java snippets" » "missing data java snippets", "using java java snippets"
"vi dung khoa snippets" » "vi dung cho snippets", "va dung khoa snippets", "vi ung khoa snippets", "vi dong khoa snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("missing java java snippets") or ("vi dung khoa snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("missing java java snippets") OR ("vi dung khoa snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( missing java java snippets ) or ( vi dung khoa snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("missing java java snippets") or ("vi dung khoa snippets"))) or ("locating bug core snippets"))*.