Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
hang cong » dang cong, hang nong, bang cong
tang cua » mang cua, hang cua, tang luan
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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: theo tieu xanh - hanh ((tang cua) or (trung cua)) hang cong van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh ((tang cua) OR (trung cua)) hang cong van toan cao.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((tang cua) or (trung cua)) hang cong van toan cao*.