Perhaps you should try some spelling variations:
"huy can cong snippets" » "huy can code snippets", "huy cac cong snippets", "huy cao cong snippets", "huy van cong snippets", "duy can cong snippets", "thuy canh cong snippets", "huy tran cong snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data 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: (((("python using data snippets") or ("huy can cong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data snippets") OR ("huy can cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using data snippets ) or ( huy can cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") or ("huy can cong snippets"))) or ("locating bug core snippets"))*.