Perhaps you should try some spelling variations:
"trong cho code snippets" » "trong tho code snippets", "trong co code snippets", "rong cho code snippets", "trong cho cong snippets", "trong cfd code snippets", "trong cho con snippets", "trong cho code slippers"
"dung viet code snippets" » "nang viet code snippets", "cong viet code snippets", "mang viet code snippets", "dung viet co snippets", "dung viet some snippets", "dung viet 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: "((((\"trong cho code snippets\") OR (\"dung viet code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( trong cho code snippets ) OR ( dung viet code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("trong cho code snippets") OR ("dung viet code snippets"))) OR ("locating bug code snippets"))*.