Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van hoa can snippets" » "van hoa code snippets", "van khoa can snippets", "van hoa dan snippets", "van hoa van snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data 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 data snippets") OR ("van hoa can snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using data snippets\") OR (\"van hoa can snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using data snippets ) OR ( van hoa can snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") OR ("van hoa can snippets"))) OR ("locating bug core snippets"))*.