Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trinh chao » trinh co, trinh giao, trinh phan
trinh chat » tinh chat, trinh luat, trinh phan
tuong dong » tuong duong, trong dong, cuong duong
doc chieu » doc hieu, doi chieu, toc thieu
trinh han » trinh quan
dong dan » dong danh, duong dan, dong san
dan phan » doan phan, dan chan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc chieu tinh - hanh ((((trinh chao) or (trinh han))) or (trinh chat)) tuong dong dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc chieu tinh - hanh ((((trinh chao) OR (trinh han))) OR (trinh chat)) tuong dong dan phan tu.
• Adding a wildcard symbol may retrieve word variants: doc chieu tinh - hanh ((((trinh chao) or (trinh han))) or (trinh chat)) tuong dong dan phan tu*.