Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"tong hoc ngoc snippets" » "tuong hoc ngoc snippets", "trong hoc ngoc snippets", "tong hop ngoc snippets", "tong hoc nuoc snippets", "tong ho ngoc snippets", "tong loc ngoc snippets", "tong hoc ngoc slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs 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 ("tong hoc ngoc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("tong hoc ngoc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tong hoc ngoc snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tong hoc ngoc snippets"))) or ("locating bug code snippets"))*.