Perhaps you should try some spelling variations:
manh hanh » xanh hanh, danh thanh, minh thanh
hanh dai » hanh tai, hanh dao, vanh dai
duc manh » suc manh, duc anh, duc minh
te sach » toc sach
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
lai hoi » dai hoi, lai hoa, lai roi
sach vu » sach va, sach tu, sach uu
mai hoi » mai khoi, dai hoi, mai doi
vu nang » vuc nang, va nang, vu dang
ve cam » ve cham, ve cac, va cam
cua tu » cua tuc, cua su, cua cu

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 vu nang ((xa hoi) or (((mai hoi) OR (lai hoi)))). hieu ve cam duc manh hanh dai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach vu nang ((xa hoi) OR (((mai hoi) OR (lai hoi)))). hieu ve cam duc manh hanh dai cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach vu nang ((xa hoi) or (((mai hoi) OR (lai hoi)))). hieu ve cam duc manh hanh dai cua tu".
• Adding a wildcard symbol may retrieve word variants: te sach vu nang ((xa hoi) or (((mai hoi) OR (lai hoi)))). hieu ve cam duc manh hanh dai cua tu*.