Perhaps you should try some spelling variations:
thanh va » thanh van, hanh va, thanh ha
va thanh » gia thanh, ban thanh, va tinh
van cam » van lam, van cau, van dam
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
xuc va » duc va, tuc va, luc va
xu bac » xa bac
va cua » va chua, via cua, ca cua
vu bac » vu bach, vu ban, du bac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu bac) OR (xu bac)) ky lang xa hoi. hieu ((van cam) or (van nam)) xuc va thanh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu bac) OR (xu bac)) ky lang xa hoi. hieu ((van cam) OR (van nam)) xuc va thanh va cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu bac) OR (xu bac)) ky lang xa hoi. hieu ((van cam) or (van nam)) xuc va thanh va cua tre".
• Adding a wildcard symbol may retrieve word variants: ((vu bac) OR (xu bac)) ky lang xa hoi. hieu ((van cam) or (van nam)) xuc va thanh va cua tre*.