Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"hai dong bac snippets" » "hai duong bac snippets", "thai dong bac snippets", "ha dong bac snippets", "hai dong bang snippets", "hai dong luc snippets", "hai dong hoc snippets"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using java java snippets\") OR (\"hai dong bac snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( using java java snippets ) OR ( hai dong bac snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") OR ("hai dong bac snippets"))) OR ("locating bug core snippets"))*.