Perhaps you should try some spelling variations:
luat truc » luat tuc, luat thuc, suat truoc
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
va luat » va thuat, vay luan, cua luat
truc va » thuc va, thuc vat, trung va
va tinh » may tinh
tinh di » tinh doi, trinh di, tinh da
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa

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. hieu va luat truc va tinh di ((cuu tre) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ma hoi. hieu va luat truc va tinh di ((cuu tre) OR (cua tre)).
• Adding a wildcard symbol may retrieve word variants: te sach y nang ma hoi. hieu va luat truc va tinh di ((cuu tre) or (cua tre))*.