Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
cua tre » cua te, cuu tre, cua triet
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua
tu sac » tu cac, tu san, tu bac
xuc va » duc va, luc va, xac va
ve cam » ve cham, ve cac, va cam

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 ve cam ((xuc va) OR (tuc va)) thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu sach)) ky nang xa hoi. hieu ve cam ((xuc va) OR (tuc va)) thanh vi 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 ve cam ((xuc va) OR (tuc va)) thanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu sach)) ky nang xa hoi. hieu ve cam ((xuc va) OR (tuc va)) thanh vi cua tre*.