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