Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
dua tren » dung tren
hanh dai » hanh tai, hanh dao, vanh dai
sach ky » sac ky, sach y, sach ty
cuu tre » cua tre, cau tren, cau treo
tu sach » thu sach, su sach, te sach
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
ve cac » va cac, vien cac

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 ky nang xa hoi. hieu ve cac xuc va hanh dai ((((dua tren) or (cuu tre))) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu ve cac xuc va hanh dai ((((dua tren) OR (cuu tre))) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ve cac xuc va hanh dai ((((dua tren) or (cuu tre))) or (cua triet))*.