Perhaps you should try some spelling variations:
minh truong » minh tuong, sinh truong, minh thuong
manh trung » manh tung, thanh trung, manh hung
chung cong » nhung cong, chong cong, phung cong
tieu sang » chieu sang, tieu dung, tiem nang
cac chung » cac phuong, cac cong
cong dan » cong san, cong tan, huong dan
dan thai » dang thai, dan thi, dan than
thai cao » tai cao, thoai cac, thuat cao

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 sang - ((minh truong) or (manh trung)) cac chung cong dan thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - ((minh truong) OR (manh trung)) cac chung cong dan thai cao.
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - ((minh truong) or (manh trung)) cac chung cong dan thai cao*.