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

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) OR (tham thuc)) va dinh vi cuu 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) OR (tham thuc)) va dinh vi cuu 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) OR (tham thuc)) va dinh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu dan ky ((nang xa) or (lang xa)) hoi. lieu va ((tham xuc) OR (tham thuc)) va dinh vi cuu tre*.