Perhaps you should try some spelling variations:
thien van » thi van
su triet » su viet, su tien, ve triet
tinh vi » trinh vi, tinh voi, tinh va
va tinh » may tinh
vu sach » vu bach, su sach, vu khach
hieu ve » hieu va, hieu van
ky tang » ky nang, ky dang, kho tang
ky sang » ky nang, ky dang, duy sang
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: vu sach ((ky sang) or (ky tang)) ma hoa. ((hieu ve) or (thien van)) cam xuc va tinh vi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((ky sang) OR (ky tang)) ma hoa. ((hieu ve) OR (thien van)) cam xuc va tinh vi su triet.
• Adding a wildcard symbol may retrieve word variants: vu sach ((ky sang) or (ky tang)) ma hoa. ((hieu ve) or (thien van)) cam xuc va tinh vi su triet*.