Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vi trinh hoa snippets" » "vi trinh code snippets", "vi trinh do snippets", "vi trinh han snippets", "vi tinh hoa snippets", "va trinh hoa snippets", "viet trinh hoa snippets"
"using java java snippets" » "using data java 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: "((((\"vi trinh hoa snippets\") OR (\"using java java snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( vi trinh hoa snippets ) OR ( using java java snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi trinh hoa snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))*.