Perhaps you should try some spelling variations:
manh hanh » xanh hanh, danh thanh, minh thanh
vuc nang » cuc nang, vu nang, chuc nang
hanh dao » lanh dao, thanh dat, thanh dam
duc manh » suc manh, duc anh, duc minh
sach vuc » sach duoc, sach nuoc, sach truc
te sach » toc sach
dao cua » dai cua, day cua, dan cua
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
dai hoi » dai hoc, dai hai, dai moi
mai doi » moi doi, mai hoi, mai khoi
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 vuc nang ((xa hoi) or (((mai doi) or (dai hoi)))). hieu ve cam duc manh hanh dao cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach vuc nang ((xa hoi) OR (((mai doi) OR (dai hoi)))). hieu ve cam duc manh hanh dao cua tu.
• Adding a wildcard symbol may retrieve word variants: te sach vuc nang ((xa hoi) or (((mai doi) or (dai hoi)))). hieu ve cam duc manh hanh dao cua tu*.