Perhaps you should try some spelling variations:
khien tinh » thien tinh, khien thich, bien tinh
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
hoc khien » hoc hien, hoc nghien, hoc thieu
trung cua » trung tuan, trung cap, dung cua
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc khien tinh - hanh ((trung cua) OR (truong cua)) nhung cong dan toan tap~.
• Adding a wildcard symbol may retrieve word variants: hoc khien tinh - hanh ((trung cua) or (truong cua)) nhung cong dan toan tap*.