Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung tuan » trung thanh, trung tam, tran tuan
cong thanh » dong thanh, cong trinh, cong tan
hoc chieu » hoc thieu, ho chieu, hoc hien
dung cong » dung trong
san cau » van cau, ban cau, can cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu tinh - hanh ((truong quan) or (trung tuan)) dung cong thanh san cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh ((truong quan) OR (trung tuan)) dung cong thanh san cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh ((truong quan) or (trung tuan)) dung cong thanh san cau*.