Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
hoc thien » hoc hien, hoc thieu, hoc thiet
trung va » truong va, trung ha, trung tam
trang va » tran van, hang va
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 thien hach - thanh ((trung va) or (trang va)) nhung cong thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - thanh ((trung va) OR (trang va)) nhung cong thanh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - thanh ((trung va) or (trang va)) nhung cong thanh toan ban*.