Perhaps you should try some spelling variations:
va phuong » va thuong, cac phuong
cao thuc » cao thuoc, bao thuc, can thuc
thuc tap » tuc tap, thuc thai, thuc vat
hoa toan » hoa tan, hop toan, hoa than
toan hoa » toan khoa, toan hoat, toan hoc
cuu mon » cuu mo, cuu mot, cuu cong
mon hoa » mon hoc, dong hoa, cong hoa
va cong » tai cong, cua cong
nha van » nha lanh
su cao » cu cao, vu cao, su co

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su cao thuc tap, nghien cuu mon hoa toan hoa hoc ((va cong) or (va phuong)) cac nha van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cao thuc tap, nghien cuu mon hoa toan hoa hoc ((va cong) OR (va phuong)) cac nha van.
• Adding a wildcard symbol may retrieve word variants: su cao thuc tap, nghien cuu mon hoa toan hoa hoc ((va cong) or (va phuong)) cac nha van*.