Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi trong cac snippets" » "doi trong code snippets", "doi tuong cac snippets", "dot trong cac snippets", "dong trong cac snippets"
"using sat java snippets" » "using data java snippets", "using a java snippets", "using raw java snippets", "using sat va snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using sat java snippets") OR ("doi trong cac snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using sat java snippets\") OR (\"doi trong cac snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( using sat java snippets ) OR ( doi trong cac snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using sat java snippets") OR ("doi trong cac snippets"))) OR ("locating bug core snippets"))*.