Perhaps you should try some spelling variations:
nhanh dong » hanh dong, nhanh chong, anh dong
dong thuoc » dung thuoc, dang thuoc, don thuoc
hoc nhanh » hoc nganh, hoc phan
thu sach » tu sach, thuat sach, thuoc sach
thuoc xa » thuoc ma, thuoc va, thuoc la
nhan van » nhan dan, nhan va, phan van
sach mo » sach moi, sach lo, sach dao
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoi cua » hoi chuc
mo tai » bo tai, go tai, so tai
hoi ca » hoi cac, hoi cau, hoi va

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 mo tai, nghien cuu mon hoc nhanh dong thuoc xa ((hoi ca) or (hoi cua)) nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach mo tai, nghien cuu mon hoc nhanh dong thuoc xa ((hoi ca) OR (hoi cua)) nhan van.
• Adding a wildcard symbol may retrieve word variants: thu sach mo tai, nghien cuu mon hoc nhanh dong thuoc xa ((hoi ca) or (hoi cua)) nhan van*.