Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"viet trong ca snippets" » "viet trong code snippets", "viet trung ca snippets", "viet thong ca snippets", "viet huong ca snippets", "viet trong cac snippets", "viet trong van snippets", "viet trong nha snippets"
"using a java snippets" » "using _ 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: (((("viet trong ca snippets") OR ("using a java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"viet trong ca snippets\") OR (\"using a java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( viet trong ca snippets ) OR ( using a java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viet trong ca snippets") OR ("using a java snippets"))) OR ("locating bug core snippets"))*.