Perhaps you should try some spelling variations:
hoc thieu » toc thieu
toan thuc » toan hoc, dan thuc, nhan thuc
thuc dung » thuoc dung, thuy dung, tuc dung
dung cong » dung trong
cong than » cong thanh, cong thang, cong tan
phan cac » nhan cach, phan dau, phan van
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) or (hoc hien)) anh - tinh toan thuc dung cong than ((phan cac) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) anh - tinh toan thuc dung cong than ((phan cac) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) anh - tinh toan thuc dung cong than ((phan cac) or (phan lap))*.