Perhaps you should try some spelling variations:
nghiem thuc » nghiem thuoc, nghiep thuc, nhiem thuc
doanh khoa » toan khoa
thuc cong » thuoc cong, thu cong, chuc cong
van thanh » ban thanh
thu sach » tu sach, thuat sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
su doanh » so doanh, cua doanh, san doanh
khoa hoc » hoa hoc
van tuan » van quan, van ban, anh tuan
cong su » cong suc, cong sua, cong cu
ca thai » chat thai, hoa thai
hoc ca » hoc cao, hoc cua, hoc cac

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 hoc tap, nghiem thuc cong su doanh khoa hoc ca thai ((van thanh) or (van tuan)) san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach hoc tap, nghiem thuc cong su doanh khoa hoc ca thai ((van thanh) OR (van tuan)) san.
• Adding a wildcard symbol may retrieve word variants: thu sach hoc tap, nghiem thuc cong su doanh khoa hoc ca thai ((van thanh) or (van tuan)) san*.