Perhaps you should try some spelling variations:
luot van » luoc van, luong van, luan van
tu sach » thu sach, su sach, te sach
ty nang » ty xang, ty hang, ly nang
hieu ve » hieu va, hieu van
luc van » luoc van, luu van, duc van
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
vi cua » vai cua, di 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 ((ty nang) or (ky nang)) xa hoi. hieu ve cam ((luc van) or (luot van)) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ky nang)) xa hoi. hieu ve cam ((luc van) OR (luot van)) hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) or (ky nang)) xa hoi. hieu ve cam ((luc van) or (luot van)) hanh vi cua tre*.