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
dung cong » dung trong
toan tuc » toan thuc, toan tu, toan buc
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) or (hoc hien)) anh - tinh toan tuc dung cong thang phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) anh - tinh toan tuc dung cong thang phan lap.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) anh - tinh toan tuc dung cong thang phan lap*.