Perhaps you should try some spelling variations:
thanh trung » thanh tung
cong trong » cong thuong, duong trong, cong trinh
trong dang » truong dang, trong dan, trong dong
doi chieu » doc hieu, mot chieu, thi chieu
trung cua » truong cua, trung tuan, trung cap
dang than » dang thanh, sang than, dang tran
ho chieu » theo chieu, hoc thieu, mot chieu
than cap » khan cap, thanh lap, thanh cac
doi chi » doi khi

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) or (((doi chieu) OR (doi chi)))) xanh - thanh trung cua cong trong dang than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (((doi chieu) OR (doi chi)))) xanh - thanh trung cua cong trong dang than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (((doi chieu) OR (doi chi)))) xanh - thanh trung cua cong trong dang than cap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (((doi chieu) OR (doi chi)))) xanh - thanh trung cua cong trong dang than cap*.