Perhaps you should try some spelling variations:
truong cua » truong ca, truong quan, huong cua
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
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)) nhung cong tac than tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh ((truong cua) OR (truong cao)) nhung cong tac than tap".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((truong cua) OR (truong cao)) nhung cong tac than tap*.