Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung cua » truong cua, trung tuan, trung cap
truong va » truong dai, truong cao, truong dao
dung cong » dung trong
cong hinh » cong vinh, cong tinh, hong hinh
hinh toan » tinh toan, thanh toan, trinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
toan ban » van ban

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 - manh ((trung cua) or (truong va)) dung cong hinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - manh ((trung cua) OR (truong va)) dung cong hinh toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - manh ((trung cua) or (truong va)) dung cong hinh toan ban*.