Perhaps you should try some spelling variations:
cham cua » chat cua, ham cua, pham cua
cham cuu » cap cuu, chat cua
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
va hanh » van hanh, va thanh, va danh
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa

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 ty nang ma hoi. hieu va cam tuc va hanh ((cham cua) or (cham cuu)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang ma hoi. hieu va cam tuc va hanh ((cham cua) OR (cham cuu)) viet.
• Adding a wildcard symbol may retrieve word variants: su sach ty nang ma hoi. hieu va cam tuc va hanh ((cham cua) or (cham cuu)) viet*.