Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
chong cong » cong cong, thong cong, cuong cong
hien danh » thien danh, hien hanh, hien khanh
trung cua » truong cua, trung tuan, trung cap
tan thanh » tran thanh, tang thanh, toan thanh
thanh lap » thanh san, phan lap, thanh hai
tung cua » tuong cua, dung cua, tang cua
cong tan » cong tac, cong san, cong thanh

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 ((tung cua) or (trung cua)) chong cong tan thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien danh) OR (hien nhanh)) - thanh ((tung cua) OR (trung cua)) chong cong tan thanh lap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien danh) or (hien nhanh)) - thanh ((tung cua) or (trung cua)) chong cong tan thanh lap*.