Perhaps you should try some spelling variations:
hinh thai » sinh thai, tinh thai, dinh thi
dang xay » dang van, van xay
thai cua » than cua, tai cuc, tri cua
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, duc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky dang xay hoi. hieu va cam ((tuc va) or (tuc xa)) hinh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky dang xay hoi. hieu va cam ((tuc va) OR (tuc xa)) hinh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky dang xay hoi. hieu va cam ((tuc va) or (tuc xa)) hinh thai cua tre*.