Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
hoc dieu » hoc thieu
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban
toan tap » toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (hoc hien)) xanh - hanh trung cua nhung cong tan ((toan cao) OR (toan tap))~.
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (hoc hien)) xanh - hanh trung cua nhung cong tan ((toan cao) or (toan tap))*.