Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
chau te » chau tho
hieu va » lieu va, hieu qua
va cham » va chat, va tham
tu sach » thu sach, su sach, te sach
tac va » tac da, tac xa, tac ha
tuc va » thuc va, truc va, tuc xa
tu sac » tu cac, tu san, tu bac
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu sach)) ky nang x hoi. hieu va cham ((tac va) OR (tuc va)) thanh lai chau te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) OR (tu sach)) ky nang x hoi. hieu va cham ((tac va) or (tuc va)) thanh lai chau te~".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) OR (tu sach)) ky nang x hoi. hieu va cham ((tac va) or (tuc va)) thanh lai chau te*.