Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van trinh lop snippets" » "van trinh code snippets", "van thinh lop snippets", "van tinh lop snippets", "dan trinh lop snippets", "van trinh lap snippets", "van trinh do snippets", "van trinh ly 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: (((("van trinh lop snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"van trinh lop snippets\") OR (\"using java java snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( van trinh lop snippets ) OR ( using java java snippets ))) OR ( locating bug core snippets ))*.