Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"va dung lan snippets" » "va dung luan snippets", "va dung land snippets", "va dung lam snippets", "van dung lan snippets", "va duong lan snippets", "vat dung lan snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("va dung lan snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"va dung lan snippets\") OR (\"using java java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( va dung lan snippets ) OR ( using java java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va dung lan snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))*.