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"
"dai cong tac snippets" » "dai cuong tac snippets", "tai cong tac snippets", "doi cong tac snippets", "dai cong ty 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 ("dai cong tac snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"missing java java snippets\") OR (\"dai cong tac snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( missing java java snippets ) OR ( dai cong tac snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("missing java java snippets") OR ("dai cong tac snippets"))) OR ("locating bug core snippets"))*.