Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
dong hoa » dong hoc, dong co
ky dong » ly dong, ky dang, ky cong
hoa hoi » khoa hoi, hoa hoc, hoa doi
qua cac » cua cac
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
vi cuu » vi luu, vinh cuu

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 dong hoa hoi. hieu qua cac xuc ((ban thanh) or (va hanh)) vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky dong hoa hoi. hieu qua cac xuc ((ban thanh) OR (va hanh)) vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky dong hoa hoi. hieu qua cac xuc ((ban thanh) or (va hanh)) vi cuu tre*.