Perhaps you should try some spelling variations:
trinh van » trinh han, trinh quan, trinh toan
te sach » toc sach
sach ty » sach y, sach tu, sach thu
tinh va » tich va, trinh vat, tinh gia
tinh vi » trinh vi, tinh voi, dinh vi
cac duc » cac du, cao duc, cac dac
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac

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 ve cac duc va ((tinh vi) OR (((tinh va) OR (trinh van)))) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang xa hoi. hieu ve cac duc va ((tinh vi) or (((tinh va) OR (trinh van)))) cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. hieu ve cac duc va ((tinh vi) or (((tinh va) OR (trinh van)))) cua tre*.