Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu sang » chieu sach, chieu xanh, hieu lang
trung tham » trung thanh, trung thang, trung ha
doi chieu » doc hieu, doi chi, ho chieu
tuong van » truong van, trong van, duong van
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap

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 sang - hanh ((trung tham) or (trung tam)) nhung tuong van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - hanh ((trung tham) OR (trung tam)) nhung tuong van toan cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - hanh ((trung tham) or (trung tam)) nhung tuong van toan cao*.