Perhaps you should try some spelling variations:
trinh doc » trinh do, trinh hoa, trinh co
viec lam » viec va
va trinh » van trinh, va tinh, lap trinh
viec cam » viec cua, viec va, vien cac
tu sach » thu sach, te sach, tu cach
doc cua » hoc cua, doi cua, do cua
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
su sach » so sach, vu sach
xuc va » duc va, tuc va, luc va

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