Perhaps you should try some spelling variations:
khanh vinh » thanh vinh, khanh linh, thanh binh
van khanh » van thanh, van hanh, van anh
vinh cua » sinh cua, tinh cua, dinh cua
hieu van » hieu va, thien van, lieu va
cua tre » cua te, cuu tre, cua triet
cac xuc » cam xuc, cac nuoc, chat xuc
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
xuc van » duc van, luc van, xuc ban
van cac » van hac, van cau, van bac
tu sac » tu cac, tu san, tu bac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (tu sach)) ky ((nang xa) OR (nang ma)) hoi. hieu van cac xuc van khanh vinh cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu sach)) ky ((nang xa) OR (nang ma)) hoi. hieu van cac xuc van khanh vinh cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (tu sach)) ky ((nang xa) OR (nang ma)) hoi. hieu van cac xuc van khanh vinh cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu sach)) ky ((nang xa) OR (nang ma)) hoi. hieu van cac xuc van khanh vinh cua tre*.