Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
sach ty » sach y, sach tu, sach thu
doi cua » dai cua, hoi cua
xa dong » ha dong, van dong, lao dong
cam tuc » cam xuc, cam tu, nam thuc
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ty nang » ky nang, ty xang, ty hang
a dung » ap dung, va dung, am dung

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 ty nang xa hoi. ((hieu ve) or (lieu va)) cam tuc ((a dung) or (xa dong)) doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty nang xa hoi. ((hieu ve) OR (lieu va)) cam tuc ((a dung) OR (xa dong)) doi cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang xa hoi. ((hieu ve) or (lieu va)) cam tuc ((a dung) or (xa dong)) doi cua tre*.