Perhaps you should try some spelling variations:
nhanh chung » nhanh chuong, nhanh chong, nhanh hung
tren nhanh » trien thanh, tien thanh, trien nhan
cach thoi » cac thoi, cach thuc, cach noi
dung tren » dung trong, dung trung
chung hoc » trung hoc, dung hoc, hung hoa
thoi tai » thoi dai, hoi tai, phoi tai
cuu dung » cu dung, cuu ung, huu dung
gian dan » gian lang
tu cach » tu cac
nhan va » nhan tai, nhan dan, nhan tao
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: tu cach thoi tai, nghien cuu dung tren nhanh chung hoc xa hoi va ((nhan va) or (gian dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tai, nghien cuu dung tren nhanh chung hoc xa hoi va ((nhan va) OR (gian dan)).
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tai, nghien cuu dung tren nhanh chung hoc xa hoi va ((nhan va) or (gian dan))*.