Perhaps you should try some spelling variations:
dong thanh » truong thanh
chau tinh » cuu tinh, ha tinh, cua tinh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua thong » cua thuong, cua khong, cua tong
mang cua » manh cua, dung cua, ban cua
cong tac » cong ty
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: lai chau tinh - hanh mang cua thong ((cong tac) or (dong thanh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lai chau tinh - hanh mang cua thong ((cong tac) OR (dong thanh)) toan cao.
• Adding a wildcard symbol may retrieve word variants: lai chau tinh - hanh mang cua thong ((cong tac) or (dong thanh)) toan cao*.