Perhaps you should try some spelling variations:
banh vai » hanh vi, ban va, hanh va
ban banh » ban hanh, ban anh, ban danh
hieu van » hieu va, thien van, lieu va
van cam » van nam, van lam, van cau
vai cua » dai cua, hai cua, lai cua
nang xa » nang x, lang xa, mang xa
cuc ban » cua ban, cac ban, cuu ban
cam cuc » cam xuc, cham cuu, pham cuc
nang ma » tang ma, sang ma, nang cao
sach ky » sach y, sach ty, sach kem
sac ky » cac ky, sai ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((sach ky) OR (sac ky)) ((nang xa) or (nang ma)) hoi. hieu van cam cuc ban banh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((sach ky) OR (sac ky)) ((nang xa) OR (nang ma)) hoi. hieu van cam cuc ban banh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((sach ky) OR (sac ky)) ((nang xa) or (nang ma)) hoi. hieu van cam cuc ban banh vai cua te".
• Adding a wildcard symbol may retrieve word variants: thuat ((sach ky) OR (sac ky)) ((nang xa) or (nang ma)) hoi. hieu van cam cuc ban banh vai cua te*.