Perhaps you should try some spelling variations:
chuc nganh » chuc nang, hoc nganh, cac nganh
coc nganh » hoc nganh, cac nganh, hoc nhanh
thong hoc » thuong hoc, tuong hoc, thong hoa
sach hoi » sach doi, sach moi, cach thoi
cuu cong » cua cong, thu cong, cac cong
dong van » duong van, dang van, dong von
tu sach » thu sach, su sach, te sach
hoc xua » hoc cua, hoc xa, hoc lua
xua hai » qua hai, cua hai, xa hai
hai van » thai van, ha van, hai tan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach hoi dap, nghien cuu cong ((coc nganh) OR (chuc nganh)) thong hoc xua hai van dong van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoi dap, nghien cuu cong ((coc nganh) OR (chuc nganh)) thong hoc xua hai van dong van".
• Adding a wildcard symbol may retrieve word variants: tu sach hoi dap, nghien cuu cong ((coc nganh) OR (chuc nganh)) thong hoc xua hai van dong van*.