Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hoc thien » hoc hien, hoc thieu, hoc thiet
tong cong » trong cong, cong cong, dung cong
tan thanh » tran thanh, tang thanh, toan thanh
thanh cap » thanh lap, hanh cap, than cap
tung dap » tung dan, trung dai, tuong dan

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 hach - thanh tung dap ((nhung cong) or (tong cong)) tan thanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - thanh tung dap ((nhung cong) OR (tong cong)) tan thanh cap.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - thanh tung dap ((nhung cong) or (tong cong)) tan thanh cap*.