Perhaps you should try some spelling variations:
thuat canh » thuat lanh, thuat san, thuat chan
thuat cong » thuat song, thuat trong, thu cong
cuu nganh » cua nganh, cau nganh, chuc nganh
sach moi » sach doi, sach hoi, bach mai
khoa hoc » hoa hoc
su sach » so sach, vu sach
moi tap » moi tai, toi tap
va luan » vay luan, van luan, va quan
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: su sach moi tap, nghien cuu nganh ((thuat canh) OR (thuat cong)) khoa hoc xa hoi va luan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach moi tap, nghien cuu nganh ((thuat canh) OR (thuat cong)) khoa hoc xa hoi va luan van".
• Adding a wildcard symbol may retrieve word variants: su sach moi tap, nghien cuu nganh ((thuat canh) OR (thuat cong)) khoa hoc xa hoi va luan van*.