Perhaps you should try some spelling variations:
te sach » toc sach
hieu va » hieu qua
cam duc » cam xuc, cao duc, pham duc
va danh » va dinh, va dan, va hanh
danh di » danh du, xanh di, danh dien
cua tuc » cua duc, cua tu, cua thuoc
sach 2 » sach y
2 nang » v nang
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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 2 nang x hoi. ((hieu va) or (lieu va)) cam duc va danh di ((cua te) or (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach 2 nang x hoi. ((hieu va) OR (lieu va)) cam duc va danh di ((cua te) OR (cua tuc)).
• Adding a wildcard symbol may retrieve word variants: te sach 2 nang x hoi. ((hieu va) or (lieu va)) cam duc va danh di ((cua te) or (cua tuc))*.