Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, lang mai
cham xuc » cam xuc, chat xuc, pham duc
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
hanh ca » hanh cac, hanh cat, hanh cua
su viet » so viet
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ca su » cua su, cao su, ca sau

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 nang mai hoi. hieu ve ((cham xuc) or (cham soc)) va hanh ca su viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang mai hoi. hieu ve ((cham xuc) OR (cham soc)) va hanh ca su viet.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang mai hoi. hieu ve ((cham xuc) or (cham soc)) va hanh ca su viet*.