Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung cac luc snippets" » "luong cac luc snippets", "dung cho luc snippets", "dung tai luc snippets", "dung cau luc snippets", "dung coc luc snippets", "dung cac nuoc snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung cac luc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cac luc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung cac luc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
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