Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"si quoc lan snippets" » "si quoc ban snippets", "si nuoc luan snippets", "si quoc quan snippets", "mai quoc lan snippets", "bui quoc lan snippets", "tai quoc lan snippets", "si quoc lan slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: "((((\"si quoc lan snippets\") OR (\"python using java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( si quoc lan snippets ) OR ( python using java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("si quoc lan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.