Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
hanh tien » hanh tieng, thanh tien, hanh tin
ban hanh » ban hang
tien cua » trien cua, tiep cua, dien cua
so ngan » ro ngan, von ngan
qua cac » cua cac
cac tac » cac toc, cac bac, cac dac
tac ban » tai ban, cac ban, tao ban
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so ngan) or (hoc nganh)) y nang x hoi. hieu qua cac tac ban hanh tien cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so ngan) OR (hoc nganh)) y nang x hoi. hieu qua cac tac ban hanh tien cua tre.
• Adding a wildcard symbol may retrieve word variants: ((so ngan) or (hoc nganh)) y nang x hoi. hieu qua cac tac ban hanh tien cua tre*.