Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
khoa nganh » khoi nganh, hoc nganh
cach thuc » anh thuc, cac thu
hang khoa » dung khoa
nganh hoa » thanh hoa, khanh hoa, danh hoa
thanh van » thanh san, thanh toan, thanh phan
cac thuc » cac thu, can thuc, cay thuc
cua hang » cua dang, cua nhung, cua cong
va thanh » gia thanh, ban thanh, va tinh
hoc xa » hoc ma

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 (cach thuc)) vat, nghien cua hang khoa nganh hoa hoc xa hoi va thanh van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((cac thuc) OR (cach thuc)) vat, nghien cua hang khoa nganh hoa hoc xa hoi va thanh van".
• Adding a wildcard symbol may retrieve word variants: tu ((cac thuc) OR (cach thuc)) vat, nghien cua hang khoa nganh hoa hoc xa hoi va thanh van*.