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