Perhaps you should try some spelling variations:
"using java core snippets" » "using data core snippets"
"hoc sach toc snippets" » "hoc sinh toc snippets", "hoc cac toc snippets", "hoc anh toc snippets", "hoc bach tuoc snippets", "hoc sach duoc snippets", "hoc sach nuoc 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 ("hoc sach toc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java core snippets") OR ("hoc sach toc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( hoc sach toc snippets ))) or ( locating bug code snippets )).
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