Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van hang ca snippets" » "van hang code snippets", "van khang ca snippets", "van hoang ca snippets", "van thang ca snippets", "van hang va snippets", "van nang cao snippets", "van hang tai 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: (((("van hang ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van hang ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van hang ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
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