Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
cham tuc » nham thuc, tham thuc, cham soc
te sach » toc sach
xanh di » danh di, vanh dai, xanh tai
va xanh » va danh, va hanh, va anh
ca viet » va viet, co viet, hoa viet
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
sach v » sach va, sach y, sach 2
ma hoi » mai hoi, xa hoi, ma hoa
v nang » va nang, vu nang, van nang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v nang ma hoi. hieu ve ((cham tuc) OR (pham thuc)) va xanh di ((cua vat) OR (ca viet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v nang ma hoi. hieu ve ((cham tuc) OR (pham thuc)) va xanh di ((cua vat) or (ca viet))~".
• Adding a wildcard symbol may retrieve word variants: te sach v nang ma hoi. hieu ve ((cham tuc) OR (pham thuc)) va xanh di ((cua vat) or (ca viet))*.