Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"quan cau chu snippets" » "quang cao chu snippets", "toan cau chu snippets", "quan ha chu snippets", "quan cau chiu snippets", "quan ca chu snippets", "quan cac chu snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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 ("quan cau chu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("quan cau chu snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( quan cau chu snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("quan cau chu snippets"))) or ("locating bug code snippets"))*.