Perhaps you should try some spelling variations:
"cong chuc code snippets" » "cong thuc code snippets", "cong cu code snippets", "cong cua code snippets", "cong chuc cong snippets", "cong chuc code slippers"
"dung vat code snippets" » "dung va code snippets", "dong vat code snippets", "dung dat code snippets", "dung rate code snippets", "dung vat co snippets", "dung vat de snippets", "dung vat code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: "((((\"cong chuc code snippets\") OR (\"dung vat code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( cong chuc code snippets ) OR ( dung vat code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cong chuc code snippets") OR ("dung vat code snippets"))) OR ("locating bug code snippets"))*.