Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
ndung cong » nhung cong, dang cong, duong cong
hoc thien » hoc hien, hoc thieu, hoc thiet
trinh dan » trinh han, trinh san, trinh da
dung cong » dung trong
than phan » thanh phan, thanh pham, thanh nhan
toan phan » thanh phan, toan ban, hoa phan
dan thuc » dan toc, am thuc

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 - trinh dan thuc ((dung cong) or (ndung cong)) ((than phan) or (toan phan)) cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien danh - trinh dan thuc ((dung cong) OR (ndung cong)) ((than phan) OR (toan phan)) cac.
• Adding a wildcard symbol may retrieve word variants: hoc thien danh - trinh dan thuc ((dung cong) or (ndung cong)) ((than phan) or (toan phan)) cac*.