Perhaps you should try some spelling variations:
hinh thai » sinh thai, tinh thai, dinh thi
nang hoa » nang hoat, hang hoa, nang hoc
cuu tre » cau tren, cau treo
cam tuc » cam xuc, cam tu, nam thuc
cua tre » cua te, cua triet, dua tren
hoa hoi » khoa hoi, hoa hoc, hoa doi
hieu va » lieu va, hieu qua
va hinh » va chinh, va kinh, va tinh
te sac » te sach, te cac
tuc va » thuc va, truc va, tuc xa
te san » te ban, ke san, tu san
va cam » va cham, va cac, va cao

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) or (te san)) ky nang hoa hoi. hieu va cam tuc va hinh thai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te san)) ky nang hoa hoi. hieu va cam tuc va hinh thai ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te san)) ky nang hoa hoi. hieu va cam tuc va hinh thai ((cua tre) or (cuu tre))*.