Perhaps you should try some spelling variations:
nganh khung » nganh khong, nhanh hung
hoc nganh » hoc nhanh
khung hoc » chung hoc, nhung hoc, thuong hoc
chau nhan » chan nhan, chau phan, ca nhan
sach hoc » sach hoi, mach hoc, sach duoc
cach hoc » cach thuc, cach thoi, dich hoc
hai chau » lai chau, ha chau, hat chau
nhan tai » hang tai, van tai, toan tai
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
ma hai » ta hai, va hai, xa 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 ((sach hoc) or (cach hoc)) tap, nghien cuu mon hoc nganh khung hoc ma hai chau nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach hoc) OR (cach hoc)) tap, nghien cuu mon hoc nganh khung hoc ma hai chau nhan tai.
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoc) or (cach hoc)) tap, nghien cuu mon hoc nganh khung hoc ma hai chau nhan tai*.