Perhaps you should try some spelling variations:
nghiem thuc » nghiem thuoc, nghiep thuc, nhiem thuc
nganh khoa » nganh hoa, nganh khong, doanh khoa
thuc cong » thuoc cong, thu cong, chuc cong
hoc nganh » hoc nhanh
cong hoc » dong hoc, cong hoa, cong coc
cam hang » cam hoang, cam nang, cam hung
khoa hoc » hoa hoc
hang tai » hang va, dung tai
sach hoi » sach doi, cach thoi, hoach hoi
sach moi » sach doi, bach mai, sach bai
hoi cam » hoi cham, hoi cac, hoi cau
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 hoi) or (sach moi)) tap, nghiem thuc cong hoc nganh khoa hoc xa hoi cam hang tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach hoi) OR (sach moi)) tap, nghiem thuc cong hoc nganh khoa hoc xa hoi cam hang tai.
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoi) or (sach moi)) tap, nghiem thuc cong hoc nganh khoa hoc xa hoi cam hang tai*.