Perhaps you should try some spelling variations:
trinh chuan » trinh han, trinh quan, trinh luan
chieu sang » chieu sach, chieu xanh, hieu lang
canh trinh » canh tranh, hanh trinh, canh tinh
duong cong » dung cong, luong cong, duong trong
dong cung » dong chung, dong hung, dong cong
ho chieu » theo chieu, hoc thieu, doi chieu
tang ban » tang bang, tiang ban, tang van
ban cau » bang cau, ban can, van cau

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 sang - canh trinh chuan ((dong cung) OR (duong cong)) tang ban cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - canh trinh chuan ((dong cung) OR (duong cong)) tang ban cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - canh trinh chuan ((dong cung) OR (duong cong)) tang ban cau*.