Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
trung tuan » trung thanh, trung tam, tran tuan
trong quan » thong quan, tong quan, thong quang
hoc thieu » toc thieu, hoc hien
dung tong » dung trong, dung thong, dung cong
tong luan » tang luan, dung luan, hang luan
luan toan » luan hoan, xuan toan, luan thanh
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu tinh - thanh ((trung tuan) or (trong quan)) dung tong luan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh ((trung tuan) OR (trong quan)) dung tong luan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh ((trung tuan) or (trong quan)) dung tong luan toan cao*.