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
xuc van » luc van, vuc van, xuc ban
duc van » duc va, duc tan, duc manh
doi cua » dai cua, hoi cua
va cam » va cham, va cac, va cao
di cua » dai cua, de cua, do 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 x ho. lieu va cam ((xuc van) OR (duc van)) hanh ((di cua) or (doi cua)) vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang x ho. lieu va cam ((xuc van) OR (duc van)) hanh ((di cua) OR (doi cua)) vat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang x ho. lieu va cam ((xuc van) OR (duc van)) hanh ((di cua) or (doi cua)) vat".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang x ho. lieu va cam ((xuc van) OR (duc van)) hanh ((di cua) or (doi cua)) vat*.