Perhaps you should try some spelling variations:
tieu trinh » tien trinh, tien thinh, trieu tinh
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
hoc tieu » hoc thieu, hoc dieu, hoc sieu
tang cua » mang cua, hang cua, tang luan
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: hoc tieu trinh - hanh ((tang cua) or (trung cua)) nhung cong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tieu trinh - hanh ((tang cua) OR (trung cua)) nhung cong manh toan ban*.