Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
thieu anh » thien anh, chieu xanh, thien danh
thuc hung » thuc chung, thuc nhung, thuc dung
cong than » cong thanh, cong thang, cong tan
than phan » thanh phan, toan phan, thanh pham
tuc dung » thuc dung, tac dung, duc dung
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 thieu anh - tinh toan ((thuc hung) or (tuc dung)) cong than phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu anh - tinh toan ((thuc hung) OR (tuc dung)) cong than phan lap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu anh - tinh toan ((thuc hung) or (tuc dung)) cong than phan lap*.