Perhaps you should try some spelling variations:
thung chung » truong chung, dung chung, thong nhung
thien danh » thien anh, thien dang, thien thanh
chung toan » chung ton, chung than, chung khoan
hoc thien » hoc hien, hoc thieu, hoc thiet
toan thuc » toan hoc, nhan thuc
toan phan » thanh phan, toan ban, hoa phan
dan thuc » dan toc, am thuc
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien danh - tinh ((toan thuc) or (dan thuc)) thung chung toan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien danh - tinh ((toan thuc) OR (dan thuc)) thung chung toan phan cac.
• Adding a wildcard symbol may retrieve word variants: hoc thien danh - tinh ((toan thuc) or (dan thuc)) thung chung toan phan cac*.