Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"khung cua cao snippets" » "chung cua cao snippets", "khung luan cao snippets", "chung cu cao snippets", "khung cua cac snippets", "khung cu cao snippets", "khung cua cay 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 ("khung cua cao snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("khung cua cao snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( khung cua cao snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("khung cua cao snippets"))) or ("locating bug code snippets"))*.