Perhaps you should try some spelling variations:
nghien tach » nghiep cach, nghiep sach, nghiem sach
hoc nghien » hoc hien
hanh mang » nhanh mang, hanh trang, nhanh lang
cong cong » cong dong, trong cong, dung cong
tac trong » cay trong, hoc trong
trong ban » trong san, trong tan, trong quan
mang cua » manh cua, dung cua, ban cua
cong tac » cong ty

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc nghien tach - hanh mang cua cong cong tac trong ban~.
• Adding a wildcard symbol may retrieve word variants: hoc nghien tach - hanh mang cua cong cong tac trong ban*.