Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
cach thuc » anh thuc, cac thu
hoi thanh » hoc thanh, hai thanh, hoa thanh
hoc nganh » hoc nhanh
hang tai » hang va, dung tai
nhan tai » van tai, toan tai
khoa hoc » hoa hoc
thuc tai » thuc thai, thuoc tai, thuc tap
hoc bai » hoc dai, hoc giai
bai hoi » bai choi, bai hoc, dai hoi
mon hoc » toan hoc, dong hoc
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 thanh ((nhan tai) OR (hang 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 thanh ((nhan tai) OR (hang tai))".
• Adding a wildcard symbol may retrieve word variants: tu cach thuc tai, nghien cuu mon hoc nganh khoa hoc bai hoi thanh ((nhan tai) OR (hang tai))*.