Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
kinh nhan » minh nhan, ninh nhan, kinh thanh
cac thuc » cach thuc, cac thu, cay thuc
can thuc » dan thuc, van thuc, cay thuc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
hoc kinh » hoc sinh, luoc kinh
nhan dan » phan dau, gian dan, nhan tai
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) OR (can thuc)) tap, nghien cuu cong hoc nganh hoa hoc ma hoc kinh nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((cac thuc) OR (can thuc)) tap, nghien cuu cong hoc nganh hoa hoc ma hoc kinh nhan dan".
• Adding a wildcard symbol may retrieve word variants: tu ((cac thuc) OR (can thuc)) tap, nghien cuu cong hoc nganh hoa hoc ma hoc kinh nhan dan*.