Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, thi chieu
hanh tang » hanh trang, anh tang, hanh mang
cong cong » cong dong, trong cong, dung cong
cong tinh » cong trinh, cong vinh, long tinh
theo chu » cho chu, chao chu, theo yeu
tang cua » mang cua, hang cua, tang luan
toan ban » van ban

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 (theo chu)) xanh - hanh tang cua cong cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) xanh - hanh tang cua cong cong tinh toan ban*.