Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hang va doi snippets" » "hang va code snippets", "hang va dai snippets", "hang va doc snippets", "hang va do snippets", "nang va doi snippets", "dang va doi snippets", "hanh va doi 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: (((("hang va 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: (((("hang va doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hang va doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang va doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.