Perhaps you should try some spelling variations:
"ung dung code snippets" » "ung dung cong snippets", "ung dung co snippets", "ung dung de snippets", "cung dcung code snippets", "ung dung code slippers"
"trong cac trinh snippets" » "trong cac tinh snippets", "trong lap trinh snippets", "trong cac thanh snippets", "trong cac trinh slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("ung dung code snippets") or ("trong cac trinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ung dung code snippets") OR ("trong cac trinh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ung dung code snippets ) or ( trong cac trinh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ung dung code snippets") or ("trong cac trinh snippets"))) or ("locating bug code snippets"))*.