Perhaps you should try some spelling variations:
hieu sau » hieu su, hieu suat, tieu su
sau chan » cau chan, mau chan, san chang
thanh vi » hanh vi, thanh va, thanh ve
xu giao » su giao, tu giao, vu giao
ky sang » ky nang, ky dang, ky tang
sang ma » tang ma, nang ma, sang tao
vi cua » vai cua, di cua
tu sac » tu sach, tu cac, tu san
xu gia » vu gia
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky sang ma hoi. hieu sau chan ((xu gia) or (xu giao)) thanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky sang ma hoi. hieu sau chan ((xu gia) OR (xu giao)) thanh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang ma hoi. hieu sau chan ((xu gia) or (xu giao)) thanh vi cua tu*.