Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vi ung cong snippets" » "vi ung code snippets", "vi dung cong snippets", "vi luong cong snippets", "vi duong cong snippets", "va ung cong snippets", "vi trung cong snippets"
"missing data java snippets" » "using data java snippets", "missing java java 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 data java snippets") or ("vi ung cong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("missing data java snippets") OR ("vi ung cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( missing data java snippets ) or ( vi ung cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("missing data java snippets") or ("vi ung cong snippets"))) or ("locating bug core snippets"))*.