Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
hoi thanh » hoc thanh, hai thanh, hoa thanh
thanh son » thanh san, thanh cong, thanh toan
thuc tap » tuc tap, thuc thai, thuc vat
khoa hoc » hoa hoc
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoc bai » hoc dai, hoc giai
bai hoi » bai choi, bai hoc, dai hoi
son tai » von tai, son hai, so tai

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) OR (tu cac)) thuc tap, nghien cuu mon hoc nganh khoa hoc bai hoi thanh son tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) OR (tu cac)) thuc tap, nghien cuu mon hoc nganh khoa hoc bai hoi thanh son tai".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) OR (tu cac)) thuc tap, nghien cuu mon hoc nganh khoa hoc bai hoi thanh son tai*.