Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
trung hoc » trung quoc
cong ban » cong bang, cong san, cong tan
ban khan » ban than, ban nhan, ban chan
tung ho » tuong ho, trung hoa, trung ha
khan ap » khan cap, han ap, khan dam
tong » dong, song

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 - thanh ((((tung ho) OR (tong hop))) or (trung hoc)) nhung cong ban khan ap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh ((((tung ho) OR (tong hop))) OR (trung hoc)) nhung cong ban khan ap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh ((((tung ho) OR (tong hop))) or (trung hoc)) nhung cong ban khan ap".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh ((((tung ho) OR (tong hop))) or (trung hoc)) nhung cong ban khan ap*.