Perhaps you should try some spelling variations:
thuoc sac » thuoc sach, thuoc dac, thuoc sai
cham xuc » cam xuc, chat xuc, cham soc
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » duc va, tuc va, luc va
vai va » mai va, dai va, lai va
hai va » hai van, thai va, mai va
thiet » thieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sac ky nang ma hoi. hieu ve cham xuc va hanh ((vai va) or (((hai va) or (hoi va)))) thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sac ky nang ma hoi. hieu ve cham xuc va hanh ((vai va) OR (((hai va) OR (hoi va)))) thiet.
• Adding a wildcard symbol may retrieve word variants: thuoc sac ky nang ma hoi. hieu ve cham xuc va hanh ((vai va) or (((hai va) or (hoi va)))) thiet*.