Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"xa dong nhan snippets" » "xa dung nhan snippets", "xa cong nhan snippets", "xa dong chan snippets", "ha dong nhan snippets", "van dong nhan snippets", "lao dong nhan 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 nhan snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"xa dong nhan snippets\") OR (\"python using data snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( xa dong nhan snippets ) OR ( python using data snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xa dong nhan snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))*.