Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong cong » trong cong, tong cong, thong thong
mot chieu » doi chieu, ho chieu
tam thong » tam thuong, tao thong, nam thong
cong tac » cong ty
tac chan » tac chuan, tac can, tac chon
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (((hoc hien) or (toc thieu)))) xanh - thanh trung tam thong cong tac chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (((hoc hien) OR (toc thieu)))) xanh - thanh trung tam thong cong tac chan cau.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (((hoc hien) or (toc thieu)))) xanh - thanh trung tam thong cong tac chan cau*.