Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
kinh nhan » minh nhan, kinh thanh, trinh nhan
ninh nhan » minh nhan, ninh thuan, ninh thanh
cac thuc » cach thuc, cac thu, can thuc
thuc tap » tuc tap, thuc thai, thuc vat
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
ma hoc » va hoc, ma hoa, mo hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac thuc tap, nghien cuu cong hoc nganh hoa hoc ma hoc ((kinh nhan) OR (ninh nhan)) dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac thuc tap, nghien cuu cong hoc nganh hoa hoc ma hoc ((kinh nhan) OR (ninh nhan)) dan".
• Adding a wildcard symbol may retrieve word variants: tu cac thuc tap, nghien cuu cong hoc nganh hoa hoc ma hoc ((kinh nhan) OR (ninh nhan)) dan*.