Perhaps you should try some spelling variations:
tham xuc » tham nuoc, tham thuc, pham duc
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
va tham » van tham, va cham, va thanh
va dinh » van dinh, va kinh, va tinh
dinh vi » dinh ve, dinh viet, dinh tri
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
tu dan » tuc dan, tu ban, cu dan
dan ky » van ky
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu dan ky ((nang xa) or (lang xa)) hoi. lieu va tham xuc va dinh vi ((cuu tre) OR (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dan ky ((nang xa) OR (lang xa)) hoi. lieu va tham xuc va dinh vi ((cuu tre) OR (cua tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu dan ky ((nang xa) or (lang xa)) hoi. lieu va tham xuc va dinh vi ((cuu tre) OR (cua tre))".
• Adding a wildcard symbol may retrieve word variants: tu dan ky ((nang xa) or (lang xa)) hoi. lieu va tham xuc va dinh vi ((cuu tre) OR (cua tre))*.