Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"trinh cac hanh slippers" » "trinh cau hanh slippers", "trinh chat hanh slippers", "trinh chao hanh slippers", "trinh cac thanh slippers", "trinh cac banh slippers", "trinh cac hinh slippers", "trinh cac hanh slippery", "trinh cac hanh grippers"
"locating bug code snippets" » "locating bug core snippets", "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 ("trinh cac hanh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("trinh cac hanh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trinh cac hanh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("trinh cac hanh slippers"))) or ("locating bug code snippets"))*.