Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
nganh hoa » thanh hoa, khanh hoa, danh hoa
thanh tai » thanh hai, thanh toan, doanh tai
thu sach » tu sach, thuat sach, thuoc sach
sach hoi » sach doi, sach moi, cach thoi
cong coc » cong cuoc, cong co, cong uoc
cong cac » cuong cac, cong tac, cong cau
va thanh » gia thanh, ban thanh, va tinh
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: thu sach hoi dap, nghien cua ((cong coc) or (cong cac)) nganh hoa hoc xa hoi va thanh tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach hoi dap, nghien cua ((cong coc) OR (cong cac)) nganh hoa hoc xa hoi va thanh tai.
• Adding a wildcard symbol may retrieve word variants: thu sach hoi dap, nghien cua ((cong coc) or (cong cac)) nganh hoa hoc xa hoi va thanh tai*.