Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
ve cai » va cai, ve cac, ve tai
va cam » va cham, va cac, va cao
di cua » dai cua, doi cua, de cua
cua tu » cua tuc, cua su, cua cu

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