Perhaps you should try some spelling variations:
thuc dan » thuc hanh, hoc dan
dung doi » huong doi, dung tai, dung co
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
doi cua » dai cua, hoi cua
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky nang xa hoi. hieu va cam ((tuc va) or (((thuc dan) or (thuc vat)))) dung doi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang xa hoi. hieu va cam ((tuc va) OR (((thuc dan) OR (thuc vat)))) dung doi cua te.
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang xa hoi. hieu va cam ((tuc va) or (((thuc dan) or (thuc vat)))) dung doi cua te*.