Perhaps you should try some spelling variations:
thoat nuoc » thuat nuoi
hieu quan » lieu quan, thien quan, lien quan
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
te sac » te sach, te cac, te san
te ban » te bao
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) or (te ban)) ky lang xa hoi. ((hieu quan) or (hieu qua)) thoat nuoc va hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te ban)) ky lang xa hoi. ((hieu quan) OR (hieu qua)) thoat nuoc va hanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te ban)) ky lang xa hoi. ((hieu quan) or (hieu qua)) thoat nuoc va hanh vi cuu tre*.