Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vi duong che snippets" » "vi duong code snippets", "vi dong che snippets", "vi dung che snippets", "vi luong che snippets", "va duong che snippets", "vu duong che 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: (((("using java java snippets") OR ("vi duong che snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using java java snippets\") OR (\"vi duong che snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( using java java snippets ) OR ( vi duong che snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") OR ("vi duong che snippets"))) OR ("locating bug core snippets"))*.