Perhaps you should try some spelling variations:
ha triet » nha triet, va triet, hanh triet
hanh dam » thanh dam, hanh lam, hanh nam
va hanh » van hanh, va thanh, va danh
sach ty » sach y, sach tu, sach thu
tu sach » thu sach, su sach, te sach
ty nang » ky nang, ty xang, ty hang
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
dam ha » nam ha, dam phan
x hoi » o hoi, x ho, 5 hoi

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 ((x hoi) or (xa hoi)). hieu ((ve cam) or (ve cac)) xuc va hanh dam ha triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang ((x hoi) OR (xa hoi)). hieu ((ve cam) OR (ve cac)) xuc va hanh dam ha triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ((x hoi) or (xa hoi)). hieu ((ve cam) or (ve cac)) xuc va hanh dam ha triet*.