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"
"cu thu hanh snippets" » "cu thuc hanh snippets", "cu thu thanh snippets", "cu thuy hanh snippets", "cuu thu hanh snippets", "cau thu hanh snippets", "tu thu hanh snippets"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"cu thu hanh snippets\") OR (\"python using data snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( cu thu hanh snippets ) OR ( python using data snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cu thu hanh snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))*.