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