Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chan cho doi snippets" » "chan cho code snippets", "chat cho doi snippets", "han cho doi snippets", "chuan chon doi snippets", "chan cho moi snippets", "chan cuoc doi snippets", "chan cho tuoi snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("chan cho doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chan cho doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chan cho doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chan cho doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.