Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi trong cau snippets" » "doi trong code snippets", "doi tuong cau snippets", "dot trong cau snippets", "dong trong cau snippets", "doi trong cac snippets", "doi trong ca snippets", "doi thong cau snippets"
"using java java snippets" » "using data 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: (((("using java java snippets") or ("doi trong cau snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("doi trong cau snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( doi trong cau snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("doi trong cau snippets"))) or ("locating bug core snippets"))*.