Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thanh trung » thanh tung
hanh trung » hanh trang, manh trung, danh trung
cua thuong » cua truong, cua phuong, ca thuong
hoc thieu » toc thieu, hoc hien
ho chieu » theo chieu, doi chieu, mot chieu
cong tac » cong ty
tac ran » tac can, tac van, tac quan
ran cau » van cau, ban cau, can cau

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

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