Perhaps you should try some spelling variations:
thanh va » thanh van, hanh va, thanh ha
hieu van » hieu va, thien van, lieu va
cua tre » cua te, cuu tre, cua triet
van cam » van nam, van lam, van cau
nang xa » nang x, lang xa, nang ma
tu sach » thu sach, su sach, te sach
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
va cua » va chua, via cua, ca cua
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 hoi. hieu van cam ((xuc va) OR (tuc va)) thanh va cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) OR (tu sach)) ky nang xa hoi. hieu van cam ((xuc va) OR (tuc va)) thanh va cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) OR (tu sach)) ky nang xa hoi. hieu van cam ((xuc va) OR (tuc va)) thanh va cua tre*.