Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, chien tranh
trung thanh » truong thanh
thanh tung » thanh cong
hien hanh » dieu hanh
tung cong » dung cong, tong cong, truong cong
cong anh » cong danh, dong anh, hong anh
tuan tap » toan tap, tuan tai, tuyen tap

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 hanh) or (thien thanh)) - thanh trung thanh tung cong anh tuan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien hanh) OR (thien thanh)) - thanh trung thanh tung cong anh tuan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien hanh) or (thien thanh)) - thanh trung thanh tung cong anh tuan tap*.