Perhaps you should try some spelling variations:
nghiep cay » nghiep chan, nghiep va, nghiep cua
khoi nganh » hoc nganh, moi nganh
nganh khoa » nganh hoa, nganh khong, doanh khoa
cong khoi » cong khi, cong nhoi, tong khoi
sach hoc » cach hoc, sach hoi, mach hoc
cay cong » cac cong, cao cong, cau cong
khoa hoc » hoa hoc
hoi chau » hoi chu, hoi cham, hoi cau
hai chau » lai chau, ha chau, hat chau
tu sach » thu sach, su sach, te sach
nhan va » nhan tai, nhan dan, nhan tao
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: tu sach hoc tap, nghiep cay cong khoi nganh khoa hoc xa ((hoi chau) OR (hai chau)) nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoc tap, nghiep cay cong khoi nganh khoa hoc xa ((hoi chau) OR (hai chau)) nhan va*".