Perhaps you should try some spelling variations:
khang thuoc » khong thuoc, dang thuoc, hanh thuoc
cach thuc » anh thuc, cac thu
hoc nhanh » hoc phan
thuoc tai » nuoc tai, hoc tai, thuoc ma
thuc tap » tuc tap, thuc thai, thuc vat
cuu cong » cua cong, thu cong, cac cong
cau nhan » chau nhan, ca nhan, cu nhan
tu cach » tu cac
hoi cau » hoi chu, hoc cau, hoa cau
nhan va » nhan tai, nhan dan, nhan tao
tai hoi » tai khoi, dai hoi, tai hai

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) OR (hoc nhanh)) khang thuoc tai hoi 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) OR (hoc nhanh)) khang thuoc tai hoi cau nhan va*".