Perhaps you should try some spelling variations:
trung cong » truong cong, trong cong, trung uong
hinh trong » chinh trong, dinh trong, sinh trong
hien hanh » dieu hanh
trong cua » truong cua, thong cua, trong ca
cua trung » cua truong, xuan trung, cua nhung
dien anh » tieng anh, dien dan
cong tan » cong tac, cong san, cong thanh
toan cao » toan tap
toan ban » van ban

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