Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
hoc thien » hoc hien, hoc thieu, hoc thiet
toc chung » toan chung, doc chuong, hoc chuong
tinh dan » trinh dan, tinh da, binh dan
dong hoc » dong co
dong luc » nang luc
phan lap » phan dau

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 dan toc chung ((dong hoc) or (dong luc)) phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien danh - tinh dan toc chung ((dong hoc) OR (dong luc)) phan lap*.