Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
cong ngang » cong nhan, cong quang, cong lang
ngang toan » nganh toan, dang toan, quang toan
trung cua » truong cua, trung tuan, trung cap
dang cong » dung cong
ho chieu » hoc thieu, doi chieu, mot chieu
cua dang » cua cong, cua ban
toan cau » 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 chieu) or (ho chieu)) xanh - thanh trung cua dang cong ngang toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) xanh - thanh trung cua dang cong ngang toan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) xanh - thanh trung cua dang cong ngang toan cau*.