Perhaps you should try some spelling variations:
thi nang » thi cong, ki nang, thi hanh
nang cam » nang cham, nang cao, nang cap
sach ky » sach y, sach ty, sach kem
nang ma » tang ma, sang ma, nang cao
cam duc » cam xuc, cao duc, pham duc
cau tre » cau tren, cau treo, cau tra
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
va dan » ca dan, va dao, va dau
dan di » danh di, dan da, dan de
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) OR (sac ky)) nang ma hoi. thi nang cam duc va dan di cau tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ky) OR (sac ky)) nang ma hoi. thi nang cam duc va dan di cau tre".
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) OR (sac ky)) nang ma hoi. thi nang cam duc va dan di cau tre*.