Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoa van ca snippets" » "hoa van code snippets", "hoa dan ca snippets", "hoang van ca snippets", "hoa phan ca snippets", "hoa van cau snippets", "hoa van cua snippets"
"python using sat snippets" » "python using data snippets", "python using a snippets", "python using raw 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: (((("hoa van ca snippets") or ("python using sat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoa van ca snippets") OR ("python using sat snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("hoa van ca snippets") or ("python using sat snippets"))) or ("locating bug core snippets"))*.