Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
va nang » van nang, da nang, cam nang
hanh di » hanh vi, hanh de, hang di
vu nang » vuc nang, vu dang, v nang
va hanh » van hanh, va thanh, va danh
truc va » thuc va, thuc vat, trung va
di cua » dai cua, doi cua, de cua
ve cai » va cai, ve cac, ve tai
cua te » cua tu

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 ((va nang) or (vu nang)) xa hoi. hieu ((ve cai) or (va cac)) truc va hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((va nang) OR (vu nang)) xa hoi. hieu ((ve cai) OR (va cac)) truc va hanh di cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach ((va nang) or (vu nang)) xa hoi. hieu ((ve cai) or (va cac)) truc va hanh di cua te*.