Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
nang mai » nang ma, nang tai, lang mai
tu sach » thu sach, su sach, te sach
va cham » va chat, va tham
vai cua » dai cua, hai cua, lai cua
xuc van » duc van, luc van, vuc van
sach ty » sach y, sach tu, sach thu
mai hoi » mai khoi, dai hoi, lai hoi
ty nang » ky nang, ty xang, ty hang
ve cam » ve cham, ve cac, va cam
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 mai hoi. hieu ((ve cam) or (va cham)) xuc van thanh ((vi cua) or (vai cua)) tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang mai hoi. hieu ((ve cam) OR (va cham)) xuc van thanh ((vi cua) OR (vai cua)) tuc.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang mai hoi. hieu ((ve cam) or (va cham)) xuc van thanh ((vi cua) or (vai cua)) tuc*.