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
thu sach » tu sach, thuat sach, thuoc sach
sach doi » sach hoi, sach moi, sach dao
cuu dong » cuu tong, cuu long, luu dong
cuu cong » cua cong, thu cong, cac cong
phan tai » pham tai, nhan tai, phan thi
doi tap » doi tac, doi dap, doi tai
va phan » van phan, va phat, va phap
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach doi tap, nghien ((cuu dong) or (cuu cong)) hoc nganh khung hoc xa hoi va phan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach doi tap, nghien ((cuu dong) OR (cuu cong)) hoc nganh khung hoc xa hoi va phan tai.
• Adding a wildcard symbol may retrieve word variants: thu sach doi tap, nghien ((cuu dong) or (cuu cong)) hoc nganh khung hoc xa hoi va phan tai*.