Perhaps you should try some spelling variations:
manh hanh » xanh hanh, danh thanh, minh thanh
than cua » nhan cua, thai cua, ban cua
duc manh » suc manh, duc anh, duc minh
nhan su » nhan luc
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu va » lieu va, hieu qua
dao duc » giao duc, tao duoc
su sai » su tai, su dai, su mai
va dao » ca dao
su hai » su tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sai) or (su hai)) ky tang xa hoi. hieu va dao duc manh hanh ((than cua) or (nhan su)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sai) OR (su hai)) ky tang xa hoi. hieu va dao duc manh hanh ((than cua) OR (nhan su)) tre.
• Adding a wildcard symbol may retrieve word variants: ((su sai) or (su hai)) ky tang xa hoi. hieu va dao duc manh hanh ((than cua) or (nhan su)) tre*.