Perhaps you should try some spelling variations:
doanh khoa » toan khoa
cach thuc » anh thuc, cac thu
hoa doanh » toan doanh, hoa dan
khoa hoc » hoa hoc
tu cach » tu cac
cuu mon » cuu mo, cuu mot, cuu cong
mon hoa » mon hoc, dong hoa, cong hoa
va nhan » van nhan, ca nhan, va phan
va phap » va phat, ban phap
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 cach thuc vat, nghien cuu mon hoa doanh khoa hoc xa hoi ((va nhan) OR (va phap)) va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach thuc vat, nghien cuu mon hoa doanh khoa hoc xa hoi ((va nhan) OR (va phap)) va".
• Adding a wildcard symbol may retrieve word variants: tu cach thuc vat, nghien cuu mon hoa doanh khoa hoc xa hoi ((va nhan) OR (va phap)) va*.