Perhaps you should try some spelling variations:
thanh trung » thanh tung
duong van » duong va, luong va, dang van
chi xanh » chi anh, chi danh, chi hanh
trung ha » trung hoc, trung tam, trung cap
ha huong » ha phuong, va huong, ga huong
cong tac » cong ty
toan cao » toan ban, toan tap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - thanh trung ha huong ((duong van) or (cong tac)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - thanh trung ha huong ((duong van) OR (cong tac)) toan cao.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - thanh trung ha huong ((duong van) or (cong tac)) toan cao*.