Perhaps you should try some spelling variations:
thanh trung » thanh tung
tieu danh » dieu danh, thien danh, tieu dung
tiep danh » thien danh, tiep can, hiep dinh
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
thong tac » thong cac, tuong tac, thong tai
tac phan » tac pham, tai phan, tac phat
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((dieu hanh) or (((tieu danh) or (tiep danh)))) - thanh trung cua thong thong tac phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((dieu hanh) OR (((tieu danh) OR (tiep danh)))) - thanh trung cua thong thong tac phan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((dieu hanh) or (((tieu danh) or (tiep danh)))) - thanh trung cua thong thong tac phan cau*.