Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dun nang hoc snippets" » "dung nang hoc snippets", "den nang hoc snippets", "luan nang hoc snippets", "dun nang doc snippets", "dun nang luc snippets", "dun dong hoc snippets"
"locating bug core snippets" » "locating bug code 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 code snippets") OR ("dun nang hoc snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using java code snippets\") OR (\"dun nang hoc snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( using java code snippets ) OR ( dun nang hoc snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") OR ("dun nang hoc snippets"))) OR ("locating bug core snippets"))*.