Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tach » chiet tach, chieu sach, chiu trach
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » thong cong, hang cong, nhung don
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
than cap » khan cap, thanh lap, thanh cac
han cap » hanh cap, khan cap, han tap

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

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