Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"doc thanh java snippets" » "doc thanh va snippets", "doc trinh java snippets", "doc think java snippets", "duoc thanh java snippets", "hoc thanh java snippets", "duc thanh java 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 ("doc thanh java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using java code snippets\") OR (\"doc thanh java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( using java code snippets ) OR ( doc thanh java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") OR ("doc thanh java snippets"))) OR ("locating bug core snippets"))*.