Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets"
"dao do duc snippets" » "dao o duc snippets", "dao ho duc snippets", "dao dong duc snippets", "dao dao duc snippets", "dao do duy snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dao do duc snippets") OR ("python using raw snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dao do duc snippets\") OR (\"python using raw snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dao do duc snippets ) OR ( python using raw snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao do duc snippets") OR ("python using raw snippets"))) OR ("locating bug core snippets"))*.