Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
nghien cua » nghien cuu, nghiep cua, nghiep vua
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
cong hoc » dong hoc, cong hoa, cong coc
van phan » van phong, van thanh, luan phan
phan dan » phan dang, phan dau, nhan dan
hoi tap » hoc tap, hoi tai, hai tap
hoi van » hoi va, hoi dan, hai van
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: thuat sach ((hoi tap) OR (hoi dap)), nghien cua cong hoc nganh hoa hoc xa hoi van phan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ((hoi tap) OR (hoi dap)), nghien cua cong hoc nganh hoa hoc xa hoi van phan dan".
• Adding a wildcard symbol may retrieve word variants: thuat sach ((hoi tap) OR (hoi dap)), nghien cua cong hoc nganh hoa hoc xa hoi van phan dan*.