Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
hanh va » hang va, hanh vi
xa hanh » xa thanh, xa khanh, va hanh
vu cham » va cham, vu kham, tu cham
ve cham » va cham, ve chat, ve chim
ty nang » ky nang, ty xang, ty hang
cau tre » cau tren, cau treo, cau tra
ve cam » ve cac, va cam, ve cai
va cau » van cau, va cac, va dau
x hoi » xa hoi, o hoi, x ho

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 hoi. hieu ((((ve cam) or (ve cham))) or (vu cham)) tuc xa hanh va cau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang x hoi. hieu ((((ve cam) OR (ve cham))) OR (vu cham)) tuc xa hanh va cau tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang x hoi. hieu ((((ve cam) or (ve cham))) or (vu cham)) tuc xa hanh va cau tre*.