Perhaps you should try some spelling variations:
nhanh thong » nhanh chong, nhanh thang, nhan thong
nghien cua » nghien cuu, nghiep cua, nghiep vua
coc nhanh » hoc nhanh, doc nhanh, cach nhanh
thong hoa » thong khoa, thong ha, thong hoc
danh nhan » doanh nhan, thanh nhan, benh nhan
sach hoc » cach hoc, sach hoi, sach duoc
mach hoc » cach hoc, dich hoc, anh hoc
cong coc » cong cuoc, cong cac, cong co
hai danh » thai danh, hai anh, hai dang
nhan van » nhan dan, nhan va, phan van
xa hai » xa thai, xua hai, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach hoc) or (mach hoc)) tap, nghien cua cong coc nhanh thong hoa xa hai danh nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach hoc) OR (mach hoc)) tap, nghien cua cong coc nhanh thong hoa xa hai danh nhan van.
• Adding a wildcard symbol may retrieve word variants: su ((sach hoc) or (mach hoc)) tap, nghien cua cong coc nhanh thong hoa xa hai danh nhan van*.