Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
van hanh » van thanh, ban hanh, van ban
cham xuc » cam xuc, chat xuc, cham soc
van anh » van thanh, tuan anh, van minh
sach uu » sach luu, sach tu, sach xu
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, mang may
va cham » va chat, va tham
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: tu sach uu ((nang ma) OR (nang cao)) hoi. hieu va cham xuc ((van hanh) or (van anh)) vi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach uu ((nang ma) OR (nang cao)) hoi. hieu va cham xuc ((van hanh) OR (van anh)) vi su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach uu ((nang ma) OR (nang cao)) hoi. hieu va cham xuc ((van hanh) or (van anh)) vi su triet".
• Adding a wildcard symbol may retrieve word variants: tu sach uu ((nang ma) OR (nang cao)) hoi. hieu va cham xuc ((van hanh) or (van anh)) vi su triet*.