Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
xuc van » luc van, vuc van, thuc van
duc van » duc va, duc tan, duc manh
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cuu tre, cua triet
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
tang ha » lang ha, tang ma, trung ha
ky tang » ky nang, ky dang, kho tang
sai ky » sac ky
ha hoi » hoa hoi, ha noi, xa hoi
tu sai » tu bai, tu san, tu cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky tang ha hoi. hieu ve cham ((((xuc van) OR (xuc ban))) or (duc van)) hanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky tang ha hoi. hieu ve cham ((((xuc van) OR (xuc ban))) OR (duc van)) hanh dai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky tang ha hoi. hieu ve cham ((((xuc van) OR (xuc ban))) or (duc van)) hanh dai cua tre*".