Perhaps you should try some spelling variations:
nang tai » hang tai, tang tai, sang tai
cau tren » cu tren, dau tren, ca tren
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
tai roi » lai roi, tai hoi, tai loi
hieu ve » hieu va, hieu van
cam luc » cam xuc, cau luc
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
tai cau » tai cac, tai cao
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: su sach ky nang tai roi. hieu ve cam luc ((va hanh) or (va danh)) tai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang tai roi. hieu ve cam luc ((va hanh) OR (va danh)) tai cau tren.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang tai roi. hieu ve cam luc ((va hanh) or (va danh)) tai cau tren*.