Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
thien danh » thien anh, thien dang, thien chanh
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
ca nhung » cua nhung, cam nhung, va nhung
cong tam » cong tac, cong tan, cong nam
tam toan » tap toan, tam than, pham toan
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 ((thien danh) or (thien thanh)) - ((thanh tung) or (thanh trung)) ca nhung cong tam toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien danh) OR (thien thanh)) - ((thanh tung) OR (thanh trung)) ca nhung cong tam toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien danh) or (thien thanh)) - ((thanh tung) or (thanh trung)) ca nhung cong tam toan tap*.