Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
cach thoi » cac thoi, cach noi
cach thuc » anh thuc, cac thu
hoc nganh » hoc nhanh
khoa hoc » hoa hoc
nhan tai » hang tai, van tai, toan tai
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoc mai » hoc ma, hoc dai, hoc bai
mai hoi » mai khoi, dai hoi, lai hoi
va nhan » van nhan, ca nhan, va phan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: vu ((cach thoi) OR (cach thuc)) tap, nghien cuu mon hoc nganh khoa hoc mai hoi va nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ((cach thoi) OR (cach thuc)) tap, nghien cuu mon hoc nganh khoa hoc mai hoi va nhan tai".
• Adding a wildcard symbol may retrieve word variants: vu ((cach thoi) OR (cach thuc)) tap, nghien cuu mon hoc nganh khoa hoc mai hoi va nhan tai*.