Perhaps you should try some spelling variations:
manh thanh » danh thanh, minh thanh, manh thang
duc manh » suc manh, duc anh, duc minh
hai cua » thai cua, hoi cua, lai cua
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
ky tang » ky nang, ky dang, kho tang
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
ma hoi » mai hoi, xa hoi, me hoi
su sac » su sach, su cac, su xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky tang ((ma hoi) or (ma hoa)). hieu ve cam duc manh thanh ((hai cua) or (dai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky tang ((ma hoi) OR (ma hoa)). hieu ve cam duc manh thanh ((hai cua) OR (dai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: su sac ky tang ((ma hoi) or (ma hoa)). hieu ve cam duc manh thanh ((hai cua) or (dai cua)) tre*.