Perhaps you should try some spelling variations:
dan dang » dang dang, dan dung, da dang
hieu va » lieu va, hieu qua
cac hoc » cach hoc, cac hop, bac hoc
dang de » dang deo, dung de, dang do
cua tre » cua te, cuu tre, cua triet
vu dai » vi dai, va dai, vu hai
dai ky » dan ky, dai ly, sai ky
de cua » le cua, te cua, dieu cua
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: vu dai ky nang x hoi. hieu va cac hoc dan dang de cua tre~.
• Adding a wildcard symbol may retrieve word variants: vu dai ky nang x hoi. hieu va cac hoc dan dang de cua tre*.