Perhaps you should try some spelling variations:
hinh thai » sinh thai, tinh thai, dinh thi
hanh thai » nhanh thai, hanh tai, anh thai
su triet » su viet, su tien, ve triet
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang ro » nang co, nang ho, nang ra
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
ro hai » co hai, o hai, so hai
ve cam » ve cham, ve cac, va cam

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 ky nang ro hai. hieu ve cam xuc van ((hanh thai) or (hinh thai)) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ro hai. hieu ve cam xuc van ((hanh thai) OR (hinh thai)) su triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ro hai. hieu ve cam xuc van ((hanh thai) or (hinh thai)) su triet*.