Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
thieu anh » thien anh, chieu xanh, thien danh
cong tanh » cong thanh, cong tinh, cong danh
khoa ung » khoa dung, hoa ung, khoa trung
cong tan » cong tac, cong san, cong thanh
phan cac » nhan cach, phan dau, phan lap
toan » tran

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 anh - tinh toan khoa ung ((cong tan) or (cong tanh)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu anh - tinh toan khoa ung ((cong tan) OR (cong tanh)) phan cac.
• Adding a wildcard symbol may retrieve word variants: hoc thieu anh - tinh toan khoa ung ((cong tan) or (cong tanh)) phan cac*.