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
ve cham » va cham, ve chat, vu cham
va danh » va dinh, va dan, va hanh
va cam » va cham, va cac, va cao
vi cua » vai cua
di cua » dai cua, doi cua, de 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. hieu ((ve cham) or (va cam)) duc va danh ((vi cua) or (di cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang x ho. hieu ((ve cham) OR (va cam)) duc va danh ((vi cua) OR (di cua)) te.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang x ho. hieu ((ve cham) or (va cam)) duc va danh ((vi cua) or (di cua)) te*.