Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang su hoc snippets" » "dang su code snippets", "dang tu hoc snippets", "dang du hoc snippets", "dang so hoc snippets", "dan su hoc snippets", "dung su hoc snippets", "dong su hoc 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: (((("dang su hoc snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dang su hoc snippets\") OR (\"python using data snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dang su hoc snippets ) OR ( python using data snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang su hoc snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))*.