Perhaps you should try some spelling variations:
"using java core snippets" » "using data core snippets"
"tra phan cau snippets" » "tri phan cau snippets", "toan phan cau snippets", "than phan cau snippets", "tra phan dau snippets", "tra phan cac snippets", "tra phan tu snippets"
"locating bug code 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 core snippets") or ("tra phan cau snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java core snippets") OR ("tra phan cau snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( tra phan cau snippets ))) or ( locating bug code snippets )).
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