Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » thong cong, hang cong, nhung don
theo dieu » theo tieu, theo chieu, thuoc dieu
trung cap » truong cao, trung tam
dung cong » dung trong
thanh cac » hanh cac, thanh bac, thanh ca
than cap » khan cap, thanh lap, than cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo dieu hanh - thanh trung cap ((nhung cong) or (dung cong)) dan ((than cap) OR (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dieu hanh - thanh trung cap ((nhung cong) OR (dung cong)) dan ((than cap) OR (thanh cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo dieu hanh - thanh trung cap ((nhung cong) or (dung cong)) dan ((than cap) OR (thanh cac))".
• Adding a wildcard symbol may retrieve word variants: theo dieu hanh - thanh trung cap ((nhung cong) or (dung cong)) dan ((than cap) OR (thanh cac))*.