Perhaps you should try some spelling variations:
"vat trong code snippets" » "vat trong cong snippets", "vat trong co snippets", "vat trong che snippets", "viet trong code snippets", "cay trong code snippets", "dot trong code snippets"
"using sat java snippets" » "using data java snippets", "using a java snippets", "using raw java snippets", "using sat va snippets"
"locating bug core snippets" » "locating bug code 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 ("vat trong code snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using sat java snippets\") OR (\"vat trong code snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( using sat java snippets ) OR ( vat trong code snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using sat java snippets") OR ("vat trong code snippets"))) OR ("locating bug core snippets"))*.