Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
lanh dat » lanh dao, anh dat, thanh dat
dat ngap » dat nghe
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
khoa hoc » hoa hoc
van pham » san pham, van phan, van phat
te lanh » te danh, te lan, tu lanh
va pham » va phat, va phap, va phan
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: te lanh dat ngap, nghien cuu dong hoc nganh khoa hoc xa hoi ((va pham) OR (van pham)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te lanh dat ngap, nghien cuu dong hoc nganh khoa hoc xa hoi ((va pham) OR (van pham)) van".
• Adding a wildcard symbol may retrieve word variants: te lanh dat ngap, nghien cuu dong hoc nganh khoa hoc xa hoi ((va pham) OR (van pham)) van*.