Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
tranh cua » doanh cua, manh cua
tong cong » trong cong, cong cong, dung cong
khi xanh » khia canh, thi hanh, thi anh
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi khi xanh - hanh ((tranh cua) or (trung tuan)) tong cong san toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi khi xanh - hanh ((tranh cua) OR (trung tuan)) tong cong san toan cao.
• Adding a wildcard symbol may retrieve word variants: doi khi xanh - hanh ((tranh cua) or (trung tuan)) tong cong san toan cao*.