Perhaps you should try some spelling variations:
te sach » toc sach
mai hoi » mai khoi, dai hoi, lai hoi
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
ma hoi » xa hoi, ma hoa, me hoi
va nam » ha nam, va nay
tuc va » thuc va, truc va, tuc xa
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 sach y nang ((ma hoi) or (mai hoi)). lieu ((va nam) OR (van nam)) tuc va hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((ma hoi) OR (mai hoi)). lieu ((va nam) OR (van nam)) tuc va hanh vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ((ma hoi) or (mai hoi)). lieu ((va nam) OR (van nam)) tuc va hanh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((ma hoi) or (mai hoi)). lieu ((va nam) OR (van nam)) tuc va hanh vi cuu tre*.