Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trinh toan » tinh toan, thanh toan, trinh han
trinh quan » tinh quang, trinh luat, trinh han
nhung cong » dung cong, thong cong, hang cong
thanh phan » thanh pho, thanh san, thanh toan
toan phan » toan ban, hoa phan, luan phan
ho chieu » theo chieu, hoc thieu, doi chieu

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 tinh - canh ((trinh toan) or (trinh quan)) nhung cong ((toan phan) or (thanh phan)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - canh ((trinh toan) OR (trinh quan)) nhung cong ((toan phan) OR (thanh phan)) tu.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - canh ((trinh toan) or (trinh quan)) nhung cong ((toan phan) or (thanh phan)) tu*.