Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
thanh nhan » thanh phan, thanh san, thanh toan
cach thuc » anh thuc, cac thu
hoc nganh » hoc nhanh
nhan tai » hang tai, van tai, toan tai
khoa hoc » hoa hoc
thuc tai » thuc thai, thuoc tai, thuc tap
mon hoc » toan hoc, dong hoc
bai hoi » bai choi, bai hoc, bi hoi
dai hoi » dai hoc, dai hai, dai moi
cuu mon » cuu mo, cuu mot, cuu cong
tu cach » tu cac

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