Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
trinh toan » tinh toan, thanh toan, trinh han
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
toan tap » toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi khi) OR (hoc thieu)) xanh - thanh trung cua nhung cong trinh toan tap~.
• Adding a wildcard symbol may retrieve word variants: ((doi khi) or (hoc thieu)) xanh - thanh trung cua nhung cong trinh toan tap*.