Perhaps you should try some spelling variations:
cong thang » cong thanh, cang thang, cong thong
hoc thieu » toc thieu
toan thuc » toan hoc, dan thuc, nhan thuc
thuc dung » thuoc dung, thuy dung, tuc dung
dung cong » dung trong
nhan cach » phan cac
phan van » pham van, thanh van, luan van

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