Perhaps you should try some spelling variations:
"hoi phan chat snippets" » "hoi phan code snippets", "hoi phan phat snippets", "hoi phap chat snippets", "hoi nhan chat snippets", "phoi phan chat snippets", "hoc phan chat snippets", "hoa phan chat snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using sat snippets" » "python using data snippets", "python using a snippets", "python using raw snippets"

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 sat snippets") OR ("hoi phan chat snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using sat snippets\") OR (\"hoi phan chat snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using sat snippets ) OR ( hoi phan chat snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using sat snippets") OR ("hoi phan chat snippets"))) OR ("locating bug core snippets"))*.