Perhaps you should try some spelling variations:
khang thuoc » khong thuoc, dang thuoc, hanh thuoc
nganh khang » nganh khong, ngan hang, nhanh thang
nghiep van » nghiep va, nghiem van, nghiep can
hoc nganh » hoc nhanh
thuoc dai » thuoc tai, thuoc dac, thuoc sai
dong hoc » dong co, dong luc
tu sach » thu sach, su sach, tu cach
te sach » toc sach
dai hoi » dai hoc, dai hai, dai moi
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao

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) or (te sach)) hoc tap, nghiep van dong hoc nganh khang thuoc dai hoi va nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) hoc tap, nghiep van dong hoc nganh khang thuoc dai hoi va nhan va.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) hoc tap, nghiep van dong hoc nganh khang thuoc dai hoi va nhan va*.