Perhaps you should try some spelling variations:
xuan trinh » qua trinh, xuan dinh, xuan kinh
duoc duoc » duoc hoc, hoc duoc, soc duoc
xa trinh » xa tinh, va trinh, lap trinh
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve duoc » te duoc, ve nuoc, che duoc
van cua » vang cua, ban cua, dan cua
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang xa hoi. hieu ve duoc duoc ((xa trinh) OR (xuan trinh)) van cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu ve duoc duoc ((xa trinh) OR (xuan trinh)) van cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu ve duoc duoc ((xa trinh) OR (xuan trinh)) van cua tre*.