Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
cua truong » cua trung, xuan truong, cac truong
hieu xanh » chieu xanh, hieu nganh, dieu hanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong tinh » cong trinh, cong vinh, long tinh
hanh ban » thanh ban, hang ban, hanh san
toan ban » van ban
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu xanh) or (hieu manh)) - hanh ban cua truong cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (hieu manh)) - hanh ban cua truong cong tinh toan ban*.