Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
luc nganh » luc ngan, chuc nganh, luat nganh
sach hoi » sach moi, cach thoi, hoach hoi
sach doi » sach moi, sach dao, sach bai
cuu nang » chuc nang, cam nang, cuu van
khong de » khong he, khong do, khong ke
van nhan » van phan, van thanh, danh nhan
nhan van » nhan dan, nhan va, phan van
hoi van » hoi va, hoi dan, hai van
de xa » de xay, den xa, te xa

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) or (sach doi)) tap, nghien cuu nang luc nganh khong de xa hoi van nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach hoi) OR (sach doi)) tap, nghien cuu nang luc nganh khong de xa hoi van nhan van.
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoi) or (sach doi)) tap, nghien cuu nang luc nganh khong de xa hoi van nhan van*.