Perhaps you should try some spelling variations:
nang cam » nang cham, nang cao, nang cap
thi nang » thi cong, ki nang, thi hanh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
va dinh » van dinh, va kinh, va tinh
cam duc » cam xuc, cao duc, pham duc
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
va dan » ca dan, va dao, va dau
di cuu » di cua, dinh cuu
di cau » da cau, diem cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang ma hoi. thi nang cam duc ((va dinh) or (va dan)) ((di cuu) or (di cau)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ma hoi. thi nang cam duc ((va dinh) OR (va dan)) ((di cuu) OR (di cau)) tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ma hoi. thi nang cam duc ((va dinh) or (va dan)) ((di cuu) or (di cau)) tre*.