Perhaps you should try some spelling variations:
thanh trung » thanh tung
cong thanh » cong trinh, cong tan, truong thanh
dong thanh » truong thanh
tieu xanh » tieu danh, chieu xanh, tien anh
trung cap » truong cao, trung tam
cap nhung » cam nhung, vap nhung, dap nhung
toan tap » toan 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 ((tieu xanh) or (dieu hanh)) - thanh trung cap nhung ((cong thanh) OR (dong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (dieu hanh)) - thanh trung cap nhung ((cong thanh) OR (dong thanh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) or (dieu hanh)) - thanh trung cap nhung ((cong thanh) OR (dong thanh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (dieu hanh)) - thanh trung cap nhung ((cong thanh) OR (dong thanh)) toan tap*.