Perhaps you should try some spelling variations:
sang dai » sang tai, lang dai, sang mai
phap thu » phap thuc, phap tu, phap che
ky sang » ky nang, ky dang, ky tang
dai hai » dai han, dai hoi, dai tai
hieu cu » hieu cua, hieu ca, hieu su
cu phap » cua phap, tu phap, ngu phap
va hanh » van hanh, va thanh, ban hanh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
thu va » thuc va, thue va, tu va
vi cua » vai cua, di cua
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: tu sac ky sang dai hai. hieu cu phap thu va hanh vi cua te~.
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang dai hai. hieu cu phap thu va hanh vi cua te*.