Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
tran tuan » tran xuan, tran quang, tran thanh
vang than » van than, cang thang, dang thanh
sang than » cang thang, dang thanh, sang tao
ho chinh » hoc chinh, cho chinh, hoa chinh

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

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