Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hanh hai » thanh hai, nhanh hai, hang hai
va triet » va thiet, va trien, ve triet
nang xa » nang x, lang xa, nang ma
xuc van » duc van, vuc van, xuc ban
luc van » luoc van, luu van, duc van
y nang » ky nang, ly nang, v nang
va cao » va cac, va co, va dao
hai va » hai van, thai va, hoi va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y nang xa hoi. lieu va cao ((((xuc van) or (luc van))) or (duc tan)) hanh hai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang xa hoi. lieu va cao ((((xuc van) OR (luc van))) OR (duc tan)) hanh hai va triet.
• Adding a wildcard symbol may retrieve word variants: thu sach y nang xa hoi. lieu va cao ((((xuc van) or (luc van))) or (duc tan)) hanh hai va triet*.