Perhaps you should try some spelling variations:
cong thang » cong thanh, cang thang, cong thong
thang phan » thanh phan, thong phan, than phan
hoc thieu » toc thieu
toan thuc » toan hoc, dan thuc, nhan thuc
thuc hang » thuc hanh, thu hang, phuc hang
hang cong » dang cong, hang nong, bang cong
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 thieu) or (hoc hien)) anh - tinh toan thuc hang cong thang phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) anh - tinh toan thuc hang cong thang phan cac.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) anh - tinh toan thuc hang cong thang phan cac*.