Perhaps you should try some spelling variations:
day tieng » dau tieng, va tieng, ban tieng
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
truc va » thuc va, thuc vat, trung va
hanh bi » hanh vi, thanh bai, khanh bui
va cam » va cham, va cac, va cao
tuc va » thuc va, tuc xa, duc va
bi day » bi dau, bo day

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang xa hoi. hieu va cam ((tuc va) OR (truc va)) hanh bi day tieng~.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. hieu va cam ((tuc va) or (truc va)) hanh bi day tieng*.