Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
dieu tinh » diep tinh, lieu tinh, dien tinh
cam nhung » cam hung, nam nhung, tham nhung
cong bang » cuong bang, dong bang, hong bang
khan cap » khan ap, khoan cam, phan cac
than cap » thanh lap, thanh cac, than cua
so dieu » bo dieu, hoc dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so dieu tinh - ((thanh trung) or (thanh tung)) cam nhung cong bang ((khan cap) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so dieu tinh - ((thanh trung) OR (thanh tung)) cam nhung cong bang ((khan cap) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: so dieu tinh - ((thanh trung) or (thanh tung)) cam nhung cong bang ((khan cap) or (than cap))*.