Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
chuc nganh » chuc nang, hoc nganh, cac nganh
cong chuc » cong thuc, cong cu, cong cua
nganh hoa » thanh hoa, khanh hoa, danh hoa
thu sach » tu sach, thuat sach, thuoc sach
van tuan » van quan, van ban, anh tuan
tuan tai » toan tai, quan tai, tan tai
doi dap » hoi dap, do dap, doi dam
doi dau » doan dau
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: thu sach ((doi dap) OR (doi dau)), nghien cua cong chuc nganh hoa hoc xa hoi van tuan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ((doi dap) OR (doi dau)), nghien cua cong chuc nganh hoa hoc xa hoi van tuan tai".
• Adding a wildcard symbol may retrieve word variants: thu sach ((doi dap) OR (doi dau)), nghien cua cong chuc nganh hoa hoc xa hoi van tuan tai*.