Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"toan phan cac snippets" » "thanh phan cac snippets", "toan ban cac snippets", "hoa phan cac snippets", "toan nhan cach snippets", "toan phan dau snippets", "toan phan lap 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 ("toan phan cac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("toan phan cac snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( toan phan cac snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("toan phan cac snippets"))) or ("locating bug code snippets"))*.