Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"quang tran chi snippets" » "quang tran code snippets", "quang tuan chi snippets", "quang trung chi snippets", "quang thanh chi snippets", "quang trang chi snippets", "quang tran thi snippets", "quang toan chi snippets"
"dung java java snippets" » "dung va java 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: (((("quang tran chi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quang tran chi snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( quang tran chi snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quang tran chi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.