Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cua lu hanh snippets" » "cua luu hanh snippets", "cua du hanh snippets", "cua ly hanh snippets", "cua su hanh snippets", "cua cu hanh snippets", "cua tu hanh snippets", "cua lu hanh 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 lu hanh snippets\") OR (\"python using java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( cua lu hanh snippets ) OR ( python using java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cua lu hanh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.