Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
thu sach » tu sach, thuat sach, thuoc sach
sach ly » sach y, sach lo, sach ty
ve cham » va cham, ve chat, vu cham
nang xa » nang x, lang xa, nang ma
xuc van » duc van, luc van, xuc ban
ly nang » ky nang, ly hang, ly vang
vai cua » dai cua, hai cua, lai cua
ve cam » ve cac, va cam, ve cai
vi 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: thu sach ly nang xa hoi. hieu ((ve cam) or (ve cham)) xuc van hanh ((vi cua) or (vai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ly nang xa hoi. hieu ((ve cam) OR (ve cham)) xuc van hanh ((vi cua) OR (vai cua)) triet.
• Adding a wildcard symbol may retrieve word variants: thu sach ly nang xa hoi. hieu ((ve cam) or (ve cham)) xuc van hanh ((vi cua) or (vai cua)) triet*.