Perhaps you should try some spelling variations:
thanh trung » thanh tung
khong cong » thong cong, khong cang, chong cong
chat tinh » chau tinh, cham tinh, cha tinh
trung cua » truong cua, trung tuan, trung cap
cua khong » hua khong, cua phuong, cua thuong
hoc chat » hoc phat, hoc cao, hoc phan
cong tac » cong ty
tac chon » tac chong, tap chon, tac cho
chon chu » cho chu, choi chu, chon chung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chat tinh - thanh trung cua khong cong tac chon chu~.
• Adding a wildcard symbol may retrieve word variants: hoc chat tinh - thanh trung cua khong cong tac chon chu*.