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

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 hang hoa hoi. hieu qua cac xuc ((((ban thanh) OR (ban hanh))) or (va hanh)) vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky hang hoa hoi. hieu qua cac xuc ((((ban thanh) OR (ban hanh))) OR (va hanh)) vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky hang hoa hoi. hieu qua cac xuc ((((ban thanh) OR (ban hanh))) or (va hanh)) vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: te sac ky hang hoa hoi. hieu qua cac xuc ((((ban thanh) OR (ban hanh))) or (va hanh)) vi cuu tre*.