Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tra cuu xac snippets" » "tra cau xac snippets", "trau cua xac snippets", "trua cua xac snippets", "tra cuu dac snippets", "tra cuu cac snippets", "tra cuu xay snippets", "tra cuu xac 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: "((((\"tra cuu xac snippets\") OR (\"python using java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( tra cuu xac snippets ) OR ( python using java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tra cuu xac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.