Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
trinh ve » trinh he, trinh va, trinh vi
thu sach » thuat sach, thuoc sach, thu hoach
va trinh » van trinh, va tinh, lap trinh
viec cac » vien cac, viec cua, viec lam
cac xuc » cam xuc, cac nuoc, chat xuc
tu sach » te sach, tu cach, vu sach
nang xa » nang x, lang xa, nang ma
su sach » so sach, vu sach
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va
ve cua » le cua, de cua, te cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((tu sach) OR (thu sach))) or (su sach)) ky nang xa hoi. nhieu viec cac xuc va trinh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (thu sach))) OR (su sach)) ky nang xa hoi. nhieu viec cac xuc va trinh ve cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((tu sach) OR (thu sach))) or (su sach)) ky nang xa hoi. nhieu viec cac xuc va trinh ve cua tre".
• Adding a wildcard symbol may retrieve word variants: ((((tu sach) OR (thu sach))) or (su sach)) ky nang xa hoi. nhieu viec cac xuc va trinh ve cua tre*.