Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"xa dong chen snippets" » "xa dong code snippets", "xa dong chan snippets", "xa dong che snippets", "xa dong chuyen snippets", "ha dong chen snippets", "van dong chen snippets", "lao dong chen 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: (((("xa dong chen snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("xa dong chen snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( xa dong chen snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xa dong chen snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.