Perhaps you should try some spelling variations:
manh trung » manh tung, thanh trung, manh hung
vien nganh » vien thanh
hiem ngan » kim ngan, viem gan
trung tac » trung tam, trong tac, trung tai
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
tac dung » sach dung, xay dung, tin dung
toan tap » toan 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 ((vien nganh) or (hiem ngan)) - manh trung tac dung cong tinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((vien nganh) OR (hiem ngan)) - manh trung tac dung cong tinh toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((vien nganh) or (hiem ngan)) - manh trung tac dung cong tinh toan tap*.