Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien nhanh » hien hanh, thien thanh, tien thanh
hien danh » thien danh, hien hanh, hien khanh
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
thong dan » thong van, tuong dan, thong den
dan phan » doan phan, dan chan, van phan
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: hoc ((hien danh) or (hien nhanh)) - thanh trung cua thong thong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien danh) OR (hien nhanh)) - thanh trung cua thong thong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien danh) or (hien nhanh)) - thanh trung cua thong thong dan phan cau*.