Perhaps you should try some spelling variations:
truong cua » truong ca, truong quan, huong cua
truong cao » truong dai
tieu xanh » tieu danh, chieu xanh, dieu hanh
tong cong » trong cong, cong cong, dung cong
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than tap » toan tap, han tap, phan tap

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 xanh - hanh ((truong cua) or (truong cao)) tong cong tac than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh ((truong cua) OR (truong cao)) tong cong tac than tap.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((truong cua) or (truong cao)) tong cong tac than tap*.