Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cua duoc gi snippets" » "chua duoc gi snippets", "cua nuoc gi snippets", "cua quoc gi snippets", "cua duoc si snippets", "cua duoc li snippets", "cua duoc giao snippets", "cua duoc gi 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: "((((\"cua duoc gi snippets\") OR (\"python using java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( cua duoc gi snippets ) OR ( python using java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cua duoc gi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.