Perhaps you should try some spelling variations:
khang thuoc » khong thuoc, dang thuoc, hanh thuoc
nganh khang » nganh khong, ngan hang, nhanh thang
hoc nganh » hoc nhanh
cach thuc » anh thuc, cac thu
thuoc tai » nuoc tai, hoc tai, thuoc ma
thuc tap » tuc tap, thuc thai, thuc vat
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
hoa cau » hoa cac, hoa dau, hoa mau
tu cach » tu cac
hoi cau » hoi chu, hoc cau, hoi cac
nhan va » nhan tai, nhan dan, nhan tao

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 tap, nghien cuu cong hoc nganh khang thuoc tai ((hoi cau) OR (hoa cau)) nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach thuc tap, nghien cuu cong hoc nganh khang thuoc tai ((hoi cau) OR (hoa cau)) nhan va*".