Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh han cho snippets" » "danh han code snippets", "danh nhan cho snippets", "anh han cho snippets", "danh hau cho snippets", "danh hang cho snippets", "danh han che snippets", "danh san cho 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: (((("danh han cho snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"danh han cho snippets\") OR (\"python using data snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( danh han cho snippets ) OR ( python using data snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh han cho snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))*.