Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"nang cua dat snippets" » "mang cua dat snippets", "hang cua dat snippets", "nang dua dat snippets", "nang cua dan snippets", "nang cua vat snippets", "nang cua dai 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 ("nang cua dat snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using java code snippets\") OR (\"nang cua dat snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( using java code snippets ) OR ( nang cua dat snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") OR ("nang cua dat snippets"))) OR ("locating bug core snippets"))*.