Perhaps you should try some spelling variations:
truong dang » trong dang, truong giang, truong quang
chieu tinh » trieu tinh, lieu tinh, chau tinh
canh trinh » canh tranh, hanh trinh, canh tinh
doi chieu » doc hieu, doi chi, ho chieu
trinh cac » trinh cau, trinh chat, trinh chao
tran tuan » tran xuan, tran quang, tran thanh
tran van » luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu tinh - canh trinh cac truong dang ((tran van) or (tran tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - canh trinh cac truong dang ((tran van) OR (tran tuan)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - canh trinh cac truong dang ((tran van) or (tran tuan)) cau*.