Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cham, va cac, va cao
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: tu sach ty nang ma hoi. lieu va cam xuc ((va hanh) or (gia thanh)) ((vi cua) OR (vai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang ma hoi. lieu va cam xuc ((va hanh) OR (gia thanh)) ((vi cua) OR (vai cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang ma hoi. lieu va cam xuc ((va hanh) or (gia thanh)) ((vi cua) OR (vai cua)) triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ma hoi. lieu va cam xuc ((va hanh) or (gia thanh)) ((vi cua) OR (vai cua)) triet*.