Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
mai hoi » mai khoi, dai hoi, lai hoi
va tinh » may tinh
tinh vi » trinh vi, tinh voi, tinh va
ma hoi » xa hoi, me hoi, va hoi
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
vi su » va su, ve su, ki su

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang ((((ma hoi) OR (ma hoa))) or (mai hoi)). lieu va cam xuc va tinh vi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang ((((ma hoi) OR (ma hoa))) OR (mai hoi)). lieu va cam xuc va tinh vi su triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang ((((ma hoi) OR (ma hoa))) or (mai hoi)). lieu va cam xuc va tinh vi su triet*".